Uses of Class
java.lang.Object

Packages that use Object
Package Description
com.sun.jarsigner
This package comprises the interfaces and classes used to define the signing mechanism used by the jarsigner tool.
com.sun.java.accessibility.util
Provides a collection of interfaces and classes that compose the Java Accessibility Utilities.
com.sun.jdi
This is the core package of the Java Debug Interface (JDI), it defines mirrors for values, types, and the target VirtualMachine itself - as well bootstrapping facilities.
com.sun.jdi.connect
This package defines connections between the virtual machine using the JDI and the target virtual machine.
com.sun.jdi.connect.spi
This package comprises the interfaces and classes used to develop new TransportService implementations.
com.sun.jdi.request
This package is used to request that a JDI event be sent under specified conditions.
com.sun.management
This package contains the JDK's extension to the standard implementation of the java.lang.management API and also defines the management interface for some other components of the platform.
com.sun.net.httpserver
Provides a simple high-level Http server API, which can be used to build embedded HTTP servers.
com.sun.net.httpserver.spi
Provides a pluggable service provider interface, which allows the HTTP server implementation to be replaced with other implementations.
com.sun.nio.sctp
A Java API for Stream Control Transport Protocol.
com.sun.security.auth
Provides implementations of Principal.
com.sun.security.auth.callback
Provides an implementation of CallbackHandler.
com.sun.security.auth.login
Provides an implementation of Configuration.
com.sun.security.auth.module
Provides implementations of LoginModule.
com.sun.security.jgss
This package defines classes and interfaces for the JDK extensions to the GSS-API.
com.sun.source.tree
Provides interfaces to represent source code as abstract syntax trees (AST).
com.sun.source.util
Provides utilities for operations on abstract syntax trees (AST).
com.sun.tools.attach
Provides the API to attach to a Java virtual machine.
com.sun.tools.attach.spi
Only developers who are defining new attach providers should need to make direct use of this package.
com.sun.tools.javac
This package provides a legacy entry point for the javac tool.
com.sun.tools.jconsole
This package contains the JConsole API.
java.applet
Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context.
java.awt
Contains all of the classes for creating user interfaces and for painting graphics and images.
java.awt.color
Provides classes for color spaces.
java.awt.datatransfer
Provides interfaces and classes for transferring data between and within applications.
java.awt.desktop
Provides interfaces and classes for interaction with various desktop capabilities.
java.awt.dnd
Drag and Drop is a direct manipulation gesture found in many Graphical User Interface systems that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI.
java.awt.event
Provides interfaces and classes for dealing with different types of events fired by AWT components.
java.awt.font
Provides classes and interface relating to fonts.
java.awt.geom
Provides the Java 2D classes for defining and performing operations on objects related to two-dimensional geometry.
java.awt.im
Provides classes and interfaces for the input method framework.
java.awt.im.spi
Provides interfaces that enable the development of input methods that can be used with any Java runtime environment.
java.awt.image
Provides classes for creating and modifying images.
java.awt.image.renderable
Provides classes and interfaces for producing rendering-independent images.
java.awt.print
Provides classes and interfaces for a general printing API.
java.beans
Contains classes related to developing beans -- components based on the JavaBeans architecture.
java.beans.beancontext
Provides classes and interfaces relating to bean context.
java.io
Provides for system input and output through data streams, serialization and the file system.
java.lang
Provides classes that are fundamental to the design of the Java programming language.
java.lang.annotation
Provides library support for the Java programming language annotation facility.
java.lang.constant
Classes and interfaces to represent nominal descriptors for run-time entities such as classes or method handles, and classfile entities such as constant pool entries or invokedynamic call sites.
java.lang.instrument
Provides services that allow Java programming language agents to instrument programs running on the JVM.
java.lang.invoke
The java.lang.invoke package provides low-level primitives for interacting with the Java Virtual Machine.
java.lang.management
Provides the management interfaces for monitoring and management of the Java virtual machine and other components in the Java runtime.
java.lang.module
Classes to support module descriptors and creating configurations of modules by means of resolution and service binding.
java.lang.ref
Provides reference-object classes, which support a limited degree of interaction with the garbage collector.
java.lang.reflect
Provides classes and interfaces for obtaining reflective information about classes and objects.
java.lang.runtime
The java.lang.runtime package provides low-level runtime support for the Java language.
java.math
Provides classes for performing arbitrary-precision integer arithmetic (BigInteger) and arbitrary-precision decimal arithmetic (BigDecimal).
java.net
Provides the classes for implementing networking applications.
java.net.http
HTTP Client and WebSocket APIs
java.net.spi
Service-provider classes for the java.net package.
java.nio
Defines buffers, which are containers for data, and provides an overview of the other NIO packages.
java.nio.channels
Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
java.nio.channels.spi
Service-provider classes for the java.nio.channels package.
java.nio.charset
Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters.
java.nio.charset.spi
Service-provider classes for the java.nio.charset package.
java.nio.file
Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
java.nio.file.attribute
Interfaces and classes providing access to file and file system attributes.
java.nio.file.spi
Service-provider classes for the java.nio.file package.
java.rmi
Provides the RMI package.
java.rmi.activation
Provides support for RMI Object Activation.
java.rmi.dgc
Provides classes and interface for RMI distributed garbage-collection (DGC).
java.rmi.registry
Provides a class and two interfaces for the RMI registry.
java.rmi.server
Provides classes and interfaces for supporting the server side of RMI.
java.security
Provides the classes and interfaces for the security framework.
java.security.cert
Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.
java.security.spec
Provides classes and interfaces for key specifications and algorithm parameter specifications.
java.sql
Provides the API for accessing and processing data stored in a data source (usually a relational database) using the Java programming language.
java.text
Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.
java.text.spi
Service provider classes for the classes in the java.text package.
java.time
The main API for dates, times, instants, and durations.
java.time.chrono
Generic API for calendar systems other than the default ISO.
java.time.format
Provides classes to print and parse dates and times.
java.time.temporal
Access to date and time using fields and units, and date time adjusters.
java.time.zone
Support for time-zones and their rules.
java.util
Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.
java.util.concurrent
Utility classes commonly useful in concurrent programming.
java.util.concurrent.atomic
A small toolkit of classes that support lock-free thread-safe programming on single variables.
java.util.concurrent.locks
Interfaces and classes providing a framework for locking and waiting for conditions that is distinct from built-in synchronization and monitors.
java.util.function
Functional interfaces provide target types for lambda expressions and method references.
java.util.jar
Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file.
java.util.logging
Provides the classes and interfaces of the Java 2 platform's core logging facilities.
java.util.prefs
This package allows applications to store and retrieve user and system preference and configuration data.
java.util.regex
Classes for matching character sequences against patterns specified by regular expressions.
java.util.spi
Service provider classes for the classes in the java.util package.
java.util.stream
Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.
java.util.zip
Provides classes for reading and writing the standard ZIP and GZIP file formats.
javax.accessibility
Defines a contract between user-interface components and an assistive technology that provides access to those components.
javax.annotation.processing
Facilities for declaring annotation processors and for allowing annotation processors to communicate with an annotation processing tool environment.
javax.crypto
Provides the classes and interfaces for cryptographic operations.
javax.crypto.spec
Provides classes and interfaces for key specifications and algorithm parameter specifications.
javax.imageio
The main package of the Java Image I/O API.
javax.imageio.metadata
A package of the Java Image I/O API dealing with reading and writing metadata.
javax.imageio.plugins.bmp
Package containing the public classes used by the built-in BMP plug-in.
javax.imageio.plugins.jpeg
Classes supporting the built-in JPEG plug-in.
javax.imageio.plugins.tiff
Public classes used by the built-in TIFF plug-ins.
javax.imageio.spi
A package of the Java Image I/O API containing the plug-in interfaces for readers, writers, transcoders, and streams, and a runtime registry.
javax.imageio.stream
A package of the Java Image I/O API dealing with low-level I/O from files and streams.
javax.lang.model
Types and hierarchies of packages comprising a Java language model, a model of the declarations and types of the Java programming language.
javax.lang.model.element
Interfaces used to model elements of the Java programming language.
javax.lang.model.type
Interfaces used to model Java programming language types.
javax.lang.model.util
Utilities to assist in the processing of program elements and types.
javax.management
Provides the core classes for the Java Management Extensions.
javax.management.loading
Provides the classes which implement advanced dynamic loading.
javax.management.modelmbean
Provides the definition of the ModelMBean classes.
javax.management.monitor
Provides the definition of the monitor classes.
javax.management.openmbean
Provides the open data types and Open MBean descriptor classes.
javax.management.relation
Provides the definition of the Relation Service.
javax.management.remote
Interfaces for remote access to JMX MBean servers.
javax.management.remote.rmi
The RMI connector is a connector for the JMX Remote API that uses RMI to transmit client requests to a remote MBean server.
javax.management.timer
Provides the definition of the Timer MBean.
javax.naming
Provides the classes and interfaces for accessing naming services.
javax.naming.directory
Extends the javax.naming package to provide functionality for accessing directory services.
javax.naming.event
Provides support for event notification when accessing naming and directory services.
javax.naming.ldap
Provides support for LDAPv3 extended operations and controls.
javax.naming.ldap.spi  
javax.naming.spi
Provides the means for dynamically plugging in support for accessing naming and directory services through the javax.naming and related packages.
javax.net
Provides classes for networking applications.
javax.net.ssl
Provides classes for the secure socket package.
javax.print
Provides the principal classes and interfaces for the Java Print Service API.
javax.print.attribute
Provides classes and interfaces that describe the types of Java Print Service attributes and how they can be collected into attribute sets.
javax.print.attribute.standard
Package javax.print.attribute.standard contains classes for specific printing attributes.
javax.print.event
Package javax.print.event contains event classes and listener interfaces.
javax.rmi.ssl
Provides implementations of RMIClientSocketFactory and RMIServerSocketFactory over the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols.
javax.script
The scripting API consists of interfaces and classes that define Java Scripting Engines and provides a framework for their use in Java applications.
javax.security.auth
This package provides a framework for authentication and authorization.
javax.security.auth.callback
This package provides the classes necessary for services to interact with applications in order to retrieve information (authentication data including usernames or passwords, for example) or to display information (error and warning messages, for example).
javax.security.auth.kerberos
This package contains utility classes related to the Kerberos network authentication protocol.
javax.security.auth.login
This package provides a pluggable authentication framework.
javax.security.auth.x500
This package contains the classes that should be used to store X500 Principal and X500 Private Credentials in a Subject.
javax.security.cert
Provides classes for public key certificates.
javax.security.sasl
Contains class and interfaces for supporting SASL.
javax.smartcardio
Java™ Smart Card I/O API.
javax.sound.midi
Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data.
javax.sound.midi.spi
Supplies interfaces for service providers to implement when offering new MIDI devices, MIDI file readers and writers, or sound bank readers.
javax.sound.sampled
Provides interfaces and classes for capture, processing, and playback of sampled audio data.
javax.sound.sampled.spi
Supplies abstract classes for service providers to subclass when offering new audio devices, sound file readers and writers, or audio format converters.
javax.sql
Provides the API for server side data source access and processing from the Java programming language.
javax.sql.rowset
Standard interfaces and base classes for JDBC RowSet implementations.
javax.sql.rowset.serial
Provides utility classes to allow serializable mappings between SQL types and data types in the Java programming language.
javax.sql.rowset.spi
The standard classes and interfaces that a third party vendor has to use in its implementation of a synchronization provider.
javax.swing
Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
javax.swing.border
Provides classes and interface for drawing specialized borders around a Swing component.
javax.swing.colorchooser
Contains classes and interfaces used by the JColorChooser component.
javax.swing.event
Provides for events fired by Swing components.
javax.swing.filechooser
Contains classes and interfaces used by the JFileChooser component.
javax.swing.plaf
Provides one interface and many abstract classes that Swing uses to provide its pluggable look-and-feel capabilities.
javax.swing.plaf.basic
Provides user interface objects built according to the Basic look and feel.
javax.swing.plaf.metal
Provides user interface objects built according to the Java look and feel (once codenamed Metal), which is the default look and feel.
javax.swing.plaf.multi
Provides user interface objects that combine two or more look and feels.
javax.swing.plaf.nimbus
Provides user interface objects built according to the cross-platform Nimbus look and feel.
javax.swing.plaf.synth
Synth is a skinnable look and feel in which all painting is delegated.
javax.swing.table
Provides classes and interfaces for dealing with javax.swing.JTable.
javax.swing.text
Provides classes and interfaces that deal with editable and noneditable text components.
javax.swing.text.html
Provides the class HTMLEditorKit and supporting classes for creating HTML text editors.
javax.swing.text.html.parser
Provides the default HTML parser, along with support classes.
javax.swing.text.rtf
Provides a class (RTFEditorKit) for creating Rich-Text-Format text editors.
javax.swing.tree
Provides classes and interfaces for dealing with javax.swing.JTree.
javax.swing.undo
Allows developers to provide support for undo/redo in applications such as text editors.
javax.tools
Provides interfaces for tools which can be invoked from a program, for example, compilers.
javax.transaction.xa
Provides the API that defines the contract between the transaction manager and the resource manager, which allows the transaction manager to enlist and delist resource objects (supplied by the resource manager driver) in JTA transactions.
javax.xml
Defines constants for XML processing.
javax.xml.catalog
Provides the classes for implementing XML Catalogs OASIS Standard V1.1, 7 October 2005.
javax.xml.crypto
Common classes for XML cryptography.
javax.xml.crypto.dom
DOM-specific classes for the javax.xml.crypto package.
javax.xml.crypto.dsig
Classes for generating and validating XML digital signatures.
javax.xml.crypto.dsig.dom
DOM-specific classes for the javax.xml.crypto.dsig package.
javax.xml.crypto.dsig.keyinfo
Classes for parsing and processing KeyInfo elements and structures.
javax.xml.crypto.dsig.spec
Parameter classes for XML digital signatures.
javax.xml.datatype
Defines XML/Java Type Mappings.
javax.xml.namespace
Defines XML Namespace processing.
javax.xml.parsers
Provides the classes for processing XML documents with a SAX (Simple API for XML) parser or a DOM (Document Object Model) Document builder.
javax.xml.stream
Defines interfaces and classes for the Streaming API for XML (StAX).
javax.xml.stream.events
Defines event interfaces for the Streaming API for XML (StAX).
javax.xml.stream.util
Provides utility classes for the Streaming API for XML (StAX).
javax.xml.transform
Defines the generic APIs for processing transformation instructions, and performing a transformation from source to result.
javax.xml.transform.dom
Provides DOM specific transformation classes.
javax.xml.transform.sax
Provides SAX specific transformation classes.
javax.xml.transform.stax
Provides StAX specific transformation classes.
javax.xml.transform.stream
Provides stream and URI specific transformation classes.
javax.xml.validation
Provides an API for validation of XML documents.
javax.xml.xpath
Provides an object-model neutral API for the evaluation of XPath expressions and access to the evaluation environment.
jdk.dynalink
Contains interfaces and classes that are used to link an invokedynamic call site.
jdk.dynalink.beans
Contains the linker for ordinary Java objects.
jdk.dynalink.linker
Contains interfaces and classes needed by language runtimes to implement their own language-specific object models and type conversions.
jdk.dynalink.linker.support
Contains classes that make it more convenient for language runtimes to implement their own language-specific object models and type conversions by providing basic implementations of some classes as well as various utilities.
jdk.dynalink.support
Contains classes that make using Dynalink more convenient by providing basic implementations of some classes as well as various utilities.
jdk.incubator.foreign
Classes to support low-level, safe and efficient memory access.
jdk.internal.event  
jdk.javadoc.doclet
The Doclet API provides an environment which, in conjunction with the Language Model API and Compiler Tree API, allows clients to inspect the source-level structures of programs and libraries, including API comments embedded in the source.
jdk.jfr
This package provides classes to create events and control Flight Recorder.
jdk.jfr.consumer
This package contains classes for consuming Flight Recorder data.
jdk.jshell
Provides interfaces for creating tools, such as a Read-Eval-Print Loop (REPL), which interactively evaluate "snippets" of Java programming language code.
jdk.jshell.execution
Provides implementation support for building JShell execution engines.
jdk.jshell.spi
Defines the Service Provider Interface for pluggable JShell execution engines.
jdk.management.jfr
This package contains classes to control and monitor Flight Recorder over Java Management Extensions (JMX).
jdk.net
Platform specific socket options for the java.net and java.nio.channels socket classes.
jdk.nio
Defines JDK-specific channel APIs.
jdk.nio.mapmode  
jdk.security.jarsigner
This package defines APIs for signing jar files.
netscape.javascript
Provides Java code the ability to access the JavaScript engine and the HTML DOM in the web browser.
org.ietf.jgss
This package presents a framework that allows application developers to make use of security services like authentication, data integrity and data confidentiality from a variety of underlying security mechanisms like Kerberos, using a unified API.
org.w3c.dom
Provides the interfaces for the Document Object Model (DOM).
org.w3c.dom.bootstrap
Provides a factory for obtaining instances of DOMImplementation.
org.w3c.dom.events
Provides interfaces for DOM Level 2 Events.
org.w3c.dom.ls
Provides interfaces for DOM Level 3 Load and Save.
org.w3c.dom.ranges
Provides interfaces for DOM Level 2 Range.
org.w3c.dom.xpath
Provides interfaces for DOM Level 3 XPath Specification.
org.xml.sax
Provides the interfaces for the Simple API for XML (SAX).
org.xml.sax.ext
Provides interfaces to SAX2 facilities that conformant SAX drivers won't necessarily support.
org.xml.sax.helpers
Provides helper classes, including support for bootstrapping SAX-based applications.
  • Uses of Object in com.sun.jarsigner

    Subclasses of Object in com.sun.jarsigner
    Modifier and Type Class Description
    class  ContentSigner
    Deprecated, for removal: This API element is subject to removal in a future version.
    This class has been deprecated.
  • Uses of Object in com.sun.java.accessibility.util

    Subclasses of Object in com.sun.java.accessibility.util
    Modifier and Type Class Description
    class  AccessibilityEventMonitor
    AccessibilityEventMonitor implements a PropertyChange listener on every UI object that implements interface Accessible in the Java Virtual Machine.
    class  AccessibilityListenerList
    The AccessibilityListenerList is a copy of the Swing EventListerList class.
    class  AWTEventMonitor
    The AWTEventMonitor implements a suite of listeners that are conditionally installed on every AWT component instance in the Java Virtual Machine.
    class  EventID
    EventID contains integer constants that map to event support in AWT and Swing.
    class  EventQueueMonitor
    The EventQueueMonitor class provides key core functionality for Assistive Technologies (and other system-level technologies that need some of the same things that Assistive Technology needs).
    class  SwingEventMonitor
    SwingEventMonitor extends AWTEventMonitor by adding a suite of listeners conditionally installed on every Swing component instance in the Java Virtual Machine.
    class  Translator
    The Translator class provides a translation to interface Accessible for objects that do not implement interface Accessible.
    Fields in com.sun.java.accessibility.util declared as Object
    Modifier and Type Field Description
    protected Object[] AccessibilityListenerList.listenerList
    The list of listener type, listener pairs
    protected Object Translator.source
    The source object needing translating.
    Methods in com.sun.java.accessibility.util that return Object
    Modifier and Type Method Description
    Object[] AccessibilityListenerList.getListenerList()
    Passes back the event listener list as an array of listener type, listener pairs.
    Object Translator.getSource()
    Get the source Object of the Translator.
    Methods in com.sun.java.accessibility.util with parameters of type Object
    Modifier and Type Method Description
    boolean Translator.equals​(Object o)
    Returns true if this object is the same as the one passed in.
    static Accessible Translator.getAccessible​(Object o)
    Obtain an object that implements interface Accessible.
    void Translator.setSource​(Object o)
    Set the source object of the Translator.
    Constructors in com.sun.java.accessibility.util with parameters of type Object
    Constructor Description
    Translator​(Object o)
    Create a new Translator with the source object o.
  • Uses of Object in com.sun.jdi

    Subclasses of Object in com.sun.jdi
    Modifier and Type Class Description
    class  AbsentInformationException
    Thrown to indicate line number or variable information is not available.
    class  Bootstrap
    Initial class that provides access to the default implementation of JDI interfaces.
    class  ClassNotLoadedException
    Thrown to indicate that the requested class has not yet been loaded through the appropriate class loader.
    class  ClassNotPreparedException
    Thrown to indicate that the requested operation cannot be completed because the specified class has not yet been prepared.
    class  IncompatibleThreadStateException
    Thrown to indicate that the requested operation cannot be completed while the specified thread is in its current state.
    class  InconsistentDebugInfoException
    Thrown to indicate that there is an inconistency in the debug information provided by the target VM.
    class  InternalException
    Thrown to indicate that an unexpected internal error has occurred.
    class  InvalidCodeIndexException
    Deprecated.
    This exception is no longer thrown
    class  InvalidLineNumberException
    Deprecated.
    This exception is no longer thrown
    class  InvalidModuleException
    Thrown to indicate that the requested module is invalid or became invalid after the module was unloaded.
    class  InvalidStackFrameException
    Thrown to indicate that the requested operation cannot be completed because the specified stack frame is no longer valid.
    class  InvalidTypeException
    Thrown to indicate a type mismatch in setting the value of a field or variable, or in specifying the return value of a method.
    class  InvocationException
    Thrown to indicate an exception occurred in an invoked method within the target VM.
    class  JDIPermission
    The JDIPermission class represents access rights to the VirtualMachineManager.
    class  NativeMethodException
    Thrown to indicate an operation cannot be completed because it is not valid for a native method.
    class  ObjectCollectedException
    Thrown to indicate that the requested operation cannot be completed because the specified object has been garbage collected.
    class  VMCannotBeModifiedException
    Thrown to indicate that the operation is invalid because it would modify the VM and the VM is read-only.
    class  VMDisconnectedException
    Unchecked exception thrown to indicate that the requested operation cannot be completed because there is no longer a connection to the target VM.
    class  VMMismatchException
    Thrown to indicate that the requested operation cannot be completed because the a mirror from one target VM is being combined with a mirror from another target VM.
    class  VMOutOfMemoryException
    Thrown to indicate that the requested operation cannot be completed because the target VM has run out of memory.
    Methods in com.sun.jdi with parameters of type Object
    Modifier and Type Method Description
    boolean BooleanValue.equals​(Object obj)
    Compares the specified Object with this BooleanValue for equality.
    boolean ByteValue.equals​(Object obj)
    Compares the specified Object with this ByteValue for equality.
    boolean CharValue.equals​(Object obj)
    Compares the specified Object with this CharValue for equality.
    boolean DoubleValue.equals​(Object obj)
    Compares the specified Object with this DoubleValue for equality.
    boolean Field.equals​(Object obj)
    Compares the specified Object with this field for equality.
    boolean FloatValue.equals​(Object obj)
    Compares the specified Object with this FloatValue for equality.
    boolean IntegerValue.equals​(Object obj)
    Compares the specified Object with this IntegerValue for equality.
    boolean LocalVariable.equals​(Object obj)
    Compares the specified Object with this LocalVariable for equality.
    boolean Location.equals​(Object obj)
    Compares the specified Object with this Location for equality.
    boolean LongValue.equals​(Object obj)
    Compares the specified Object with this LongValue for equality.
    boolean Method.equals​(Object obj)
    Compares the specified Object with this method for equality.
    boolean ObjectReference.equals​(Object obj)
    Compares the specified Object with this ObjectReference for equality.
    boolean ReferenceType.equals​(Object obj)
    Compares the specified Object with this ReferenceType for equality.
    boolean ShortValue.equals​(Object obj)
    Compares the specified Object with this ShortValue for equality.
    boolean VoidValue.equals​(Object obj)
    Compares the specified Object with this VoidValue for equality.
  • Uses of Object in com.sun.jdi.connect

    Subclasses of Object in com.sun.jdi.connect
    Modifier and Type Class Description
    class  IllegalConnectorArgumentsException
    Thrown to indicate an invalid argument or inconsistent passed to a Connector.
    class  TransportTimeoutException
    This exception may be thrown as a result of a timeout when attaching to a target VM, or waiting to accept a connection from a target VM.
    class  VMStartException
    A target VM was successfully launched, but terminated with an error before a connection could be established.
  • Uses of Object in com.sun.jdi.connect.spi

    Subclasses of Object in com.sun.jdi.connect.spi
    Modifier and Type Class Description
    class  ClosedConnectionException
    This exception may be thrown as a result of an asynchronous close of a Connection while an I/O operation is in progress.
    class  Connection
    A connection between a debugger and a target VM which it debugs.
    class  TransportService
    A transport service for connections between a debugger and a target VM.
    static class  TransportService.Capabilities
    The transport service capabilities.
    static class  TransportService.ListenKey
    A listen key.
  • Uses of Object in com.sun.jdi.request

    Subclasses of Object in com.sun.jdi.request
    Modifier and Type Class Description
    class  DuplicateRequestException
    Thrown to indicate a duplicate event request.
    class  InvalidRequestStateException
    Thrown to indicate that the requested event cannot be modified because it is enabled.
    Methods in com.sun.jdi.request that return Object
    Modifier and Type Method Description
    Object EventRequest.getProperty​(Object key)
    Returns the value of the property with the specified key.
    Methods in com.sun.jdi.request with parameters of type Object
    Modifier and Type Method Description
    Object EventRequest.getProperty​(Object key)
    Returns the value of the property with the specified key.
    void EventRequest.putProperty​(Object key, Object value)
    Add an arbitrary key/value "property" to this request.
  • Uses of Object in com.sun.management

    Subclasses of Object in com.sun.management
    Modifier and Type Class Description
    class  GarbageCollectionNotificationInfo
    The information about a garbage collection
    class  GcInfo
    Garbage collection information.
    class  VMOption
    Information about a VM option including its value and where the value came from which is referred as its origin.
  • Uses of Object in com.sun.net.httpserver

    Subclasses of Object in com.sun.net.httpserver
    Modifier and Type Class Description
    class  Authenticator
    Authenticator represents an implementation of an HTTP authentication mechanism.
    static class  Authenticator.Failure
    Indicates an authentication failure.
    static class  Authenticator.Result
    Base class for return type from authenticate() method
    static class  Authenticator.Retry
    Indicates an authentication must be retried.
    static class  Authenticator.Success
    Indicates an authentication has succeeded and the authenticated user principal can be acquired by calling getPrincipal().
    class  BasicAuthenticator
    BasicAuthenticator provides an implementation of HTTP Basic authentication.
    class  Filter
    A filter used to pre- and post-process incoming requests.
    static class  Filter.Chain
    a chain of filters associated with a HttpServer.
    class  Headers
    HTTP request and response headers are represented by this class which implements the interface Map<String, List <String>>.
    class  HttpContext
    HttpContext represents a mapping between the root URI path of an application to a HttpHandler which is invoked to handle requests destined for that path on the associated HttpServer or HttpsServer.
    class  HttpExchange
    This class encapsulates a HTTP request received and a response to be generated in one exchange.
    class  HttpPrincipal
    Represents a user authenticated by HTTP Basic or Digest authentication.
    class  HttpsConfigurator
    This class is used to configure the https parameters for each incoming https connection on a HttpsServer.
    class  HttpServer
    This class implements a simple HTTP server.
    class  HttpsExchange
    This class encapsulates a HTTPS request received and a response to be generated in one exchange and defines the extensions to HttpExchange that are specific to the HTTPS protocol.
    class  HttpsParameters
    Represents the set of parameters for each https connection negotiated with clients.
    class  HttpsServer
    This class is an extension of HttpServer which provides support for HTTPS.
    Methods in com.sun.net.httpserver that return Object
    Modifier and Type Method Description
    abstract Object HttpExchange.getAttribute​(String name)
    Filter modules may store arbitrary objects with HttpExchange instances as an out-of-band communication mechanism.
    Methods in com.sun.net.httpserver that return types with arguments of type Object
    Modifier and Type Method Description
    abstract Map<String,​Object> HttpContext.getAttributes()
    returns a mutable Map, which can be used to pass configuration and other data to Filter modules and to the context's exchange handler.
    Methods in com.sun.net.httpserver with parameters of type Object
    Modifier and Type Method Description
    boolean HttpPrincipal.equals​(Object another)
    Compares two HttpPrincipal.
    abstract void HttpExchange.setAttribute​(String name, Object value)
    Filter modules may store arbitrary objects with HttpExchange instances as an out-of-band communication mechanism.
  • Uses of Object in com.sun.net.httpserver.spi

    Subclasses of Object in com.sun.net.httpserver.spi
    Modifier and Type Class Description
    class  HttpServerProvider
    Service provider class for HttpServer.
  • Uses of Object in com.sun.nio.sctp

    Subclasses of Object in com.sun.nio.sctp
    Modifier and Type Class Description
    class  AbstractNotificationHandler<T>
    A skeletal handler that consumes notifications and continues.
    class  Association
    A class that represents an SCTP association.
    class  AssociationChangeNotification
    Notification emitted when an association has either opened or closed.
    class  IllegalReceiveException
    Unchecked exception thrown when an attempt is made to invoke the receive method of SctpChannel or SctpMultiChannel from a notification handler.
    class  IllegalUnbindException
    Unchecked exception thrown when an attempt is made to remove an address that is not bound to the channel, or remove an address from a channel that has only one address bound to it.
    class  InvalidStreamException
    Unchecked exception thrown when an attempt is made to send a message to an invalid stream.
    class  MessageInfo
    The MessageInfo class provides additional ancillary information about messages.
    class  PeerAddressChangeNotification
    Notification emitted when a destination address on a multi-homed peer encounters a change.
    class  SctpChannel
    A selectable channel for message-oriented connected SCTP sockets.
    class  SctpMultiChannel
    A selectable channel for message-oriented SCTP sockets.
    class  SctpServerChannel
    A selectable channel for message-oriented listening SCTP sockets.
    class  SctpStandardSocketOptions
    SCTP channels supports the socket options defined by this class (as well as those listed in the particular channel class) and may support additional Implementation specific socket options.
    static class  SctpStandardSocketOptions.InitMaxStreams
    This class is used to set the maximum number of inbound/outbound streams used by the local endpoint during association initialization.
    class  SendFailedNotification
    Notification emitted when a send failed notification has been received.
    class  ShutdownNotification
    Notification emitted when a peers shutdowns an the association.
    Methods in com.sun.nio.sctp with parameters of type Object
    Modifier and Type Method Description
    boolean SctpStandardSocketOptions.InitMaxStreams.equals​(Object obj)
    Returns true if the specified object is another InitMaxStreams instance with the same number of in and out bound streams.
  • Uses of Object in com.sun.security.auth

    Subclasses of Object in com.sun.security.auth
    Modifier and Type Class Description
    class  LdapPrincipal
    A principal identified by a distinguished name as specified by RFC 2253.
    class  NTDomainPrincipal
    This class implements the Principal interface and represents the name of the Windows NT domain into which the user authenticated.
    class  NTNumericCredential
    This class abstracts an NT security token and provides a mechanism to do same-process security impersonation.
    class  NTSid
    This class implements the Principal interface and represents information about a Windows NT user, group or realm.
    class  NTSidDomainPrincipal
    This class extends NTSid and represents a Windows NT user's domain SID.
    class  NTSidGroupPrincipal
    This class extends NTSid and represents one of the groups to which a Windows NT user belongs.
    class  NTSidPrimaryGroupPrincipal
    This class extends NTSid and represents a Windows NT user's primary group SID.
    class  NTSidUserPrincipal
    This class extends NTSid and represents a Windows NT user's SID.
    class  NTUserPrincipal
    This class implements the Principal interface and represents a Windows NT user.
    class  UnixNumericGroupPrincipal
    This class implements the Principal interface and represents a user's Unix group identification number (GID).
    class  UnixNumericUserPrincipal
    This class implements the Principal interface and represents a user's Unix identification number (UID).
    class  UnixPrincipal
    This class implements the Principal interface and represents a Unix user.
    class  UserPrincipal
    A user principal identified by a username or account name.
    Methods in com.sun.security.auth with parameters of type Object
    Modifier and Type Method Description
    boolean LdapPrincipal.equals​(Object object)
    Compares this principal to the specified object.
    boolean NTDomainPrincipal.equals​(Object o)
    Compares the specified Object with this NTDomainPrincipal for equality.
    boolean NTNumericCredential.equals​(Object o)
    Compares the specified Object with this NTNumericCredential for equality.
    boolean NTSid.equals​(Object o)
    Compares the specified Object with this NTSid for equality.
    boolean NTSidDomainPrincipal.equals​(Object o)
    Compares the specified Object with this NTSidDomainPrincipal for equality.
    boolean NTSidGroupPrincipal.equals​(Object o)
    Compares the specified Object with this NTSidGroupPrincipal for equality.
    boolean NTSidPrimaryGroupPrincipal.equals​(Object o)
    Compares the specified Object with this NTSidPrimaryGroupPrincipal for equality.
    boolean NTSidUserPrincipal.equals​(Object o)
    Compares the specified Object with this NTSidUserPrincipal for equality.
    boolean NTUserPrincipal.equals​(Object o)
    Compares the specified Object with this NTUserPrincipal for equality.
    boolean UnixNumericGroupPrincipal.equals​(Object o)
    Compares the specified Object with this UnixNumericGroupPrincipal for equality.
    boolean UnixNumericUserPrincipal.equals​(Object o)
    Compares the specified Object with this UnixNumericUserPrincipal for equality.
    boolean UnixPrincipal.equals​(Object o)
    Compares the specified Object with this UnixPrincipal for equality.
    boolean UserPrincipal.equals​(Object object)
    Compares this principal to the specified object.
  • Uses of Object in com.sun.security.auth.callback

    Subclasses of Object in com.sun.security.auth.callback
    Modifier and Type Class Description
    class  TextCallbackHandler
    Prompts and reads from the command line for answers to authentication questions.
  • Uses of Object in com.sun.security.auth.login

    Subclasses of Object in com.sun.security.auth.login
    Modifier and Type Class Description
    class  ConfigFile
    This class represents a default implementation for javax.security.auth.login.Configuration.
  • Uses of Object in com.sun.security.auth.module

    Subclasses of Object in com.sun.security.auth.module
    Modifier and Type Class Description
    class  JndiLoginModule
    The module prompts for a username and password and then verifies the password against the password stored in a directory service configured under JNDI.
    class  KeyStoreLoginModule
    Provides a JAAS login module that prompts for a key store alias and populates the subject with the alias's principal and credentials.
    class  Krb5LoginModule
    This LoginModule authenticates users using Kerberos protocols.
    class  LdapLoginModule
    This LoginModule performs LDAP-based authentication.
    class  NTLoginModule
    This LoginModule renders a user's NT security information as some number of Principals and associates them with a Subject.
    class  NTSystem
    This class implementation retrieves and makes available NT security information for the current user.
    class  UnixLoginModule
    This LoginModule imports a user's Unix Principal information (UnixPrincipal, UnixNumericUserPrincipal, and UnixNumericGroupPrincipal) and associates them with the current Subject.
    class  UnixSystem
    This class implementation retrieves and makes available Unix UID/GID/groups information for the current user.
  • Uses of Object in com.sun.security.jgss

    Subclasses of Object in com.sun.security.jgss
    Modifier and Type Class Description
    class  AuthorizationDataEntry
    Kerberos 5 AuthorizationData entry.
    class  GSSUtil
    GSS-API Utilities for using in conjunction with Sun Microsystem's implementation of Java GSS-API.
    class  InquireSecContextPermission
    This class is used to protect various attributes of an established GSS security context that can be accessed using the ExtendedGSSContext.inquireSecContext(com.sun.security.jgss.InquireType) method.
    Methods in com.sun.security.jgss that return Object
    Modifier and Type Method Description
    Object ExtendedGSSContext.inquireSecContext​(InquireType type)
    Return the mechanism-specific attribute associated with type.
  • Uses of Object in com.sun.source.tree

    Methods in com.sun.source.tree that return Object
    Modifier and Type Method Description
    Object LiteralTree.getValue()
    Returns the value of the literal expression.
  • Uses of Object in com.sun.source.util

    Subclasses of Object in com.sun.source.util
    Modifier and Type Class Description
    class  DocTreePath
    A path of tree nodes, typically used to represent the sequence of ancestor nodes of a tree node up to the top level DocCommentTree node.
    class  DocTreePathScanner<R,​P>
    A DocTreeVisitor that visits all the child tree nodes, and provides support for maintaining a path for the parent nodes.
    class  DocTrees
    Provides access to syntax trees for doc comments.
    class  DocTreeScanner<R,​P>
    A TreeVisitor that visits all the child tree nodes.
    class  JavacTask
    Provides access to functionality specific to the JDK Java Compiler, javac.
    class  SimpleDocTreeVisitor<R,​P>
    A simple visitor for tree nodes.
    class  SimpleTreeVisitor<R,​P>
    A simple visitor for tree nodes.
    class  TaskEvent
    Provides details about work that has been done by the JDK Java Compiler, javac.
    class  TreePath
    A path of tree nodes, typically used to represent the sequence of ancestor nodes of a tree node up to the top level CompilationUnitTree node.
    class  TreePathScanner<R,​P>
    A TreeVisitor that visits all the child tree nodes, and provides support for maintaining a path for the parent nodes.
    class  Trees
    Bridges JSR 199, JSR 269, and the Tree API.
    class  TreeScanner<R,​P>
    A TreeVisitor that visits all the child tree nodes.
    Fields in com.sun.source.util declared as Object
    Modifier and Type Field Description
    protected R SimpleDocTreeVisitor.DEFAULT_VALUE
    The default value, returned by the default action.
    protected R SimpleTreeVisitor.DEFAULT_VALUE
    The default value, returned by the default action.
  • Uses of Object in com.sun.tools.attach

    Subclasses of Object in com.sun.tools.attach
    Modifier and Type Class Description
    class  AgentInitializationException
    The exception thrown when an agent fails to initialize in the target Java virtual machine.
    class  AgentLoadException
    The exception thrown when an agent cannot be loaded into the target Java virtual machine.
    class  AttachNotSupportedException
    Thrown by VirtualMachine.attach when attempting to attach to a Java virtual machine for which a compatible AttachProvider does not exist.
    class  AttachOperationFailedException
    Exception type to signal that an attach operation failed in the target VM.
    class  AttachPermission
    When a SecurityManager set, this is the permission which will be checked when code invokes VirtualMachine.attach to attach to a target virtual machine.
    class  VirtualMachine
    A Java virtual machine.
    class  VirtualMachineDescriptor
    Describes a Java virtual machine.
    Methods in com.sun.tools.attach with parameters of type Object
    Modifier and Type Method Description
    boolean VirtualMachine.equals​(Object ob)
    Tests this VirtualMachine for equality with another object.
    boolean VirtualMachineDescriptor.equals​(Object ob)
    Tests this VirtualMachineDescriptor for equality with another object.
  • Uses of Object in com.sun.tools.attach.spi

    Subclasses of Object in com.sun.tools.attach.spi
    Modifier and Type Class Description
    class  AttachProvider
    Attach provider class for attaching to a Java virtual machine.
  • Uses of Object in com.sun.tools.javac

    Subclasses of Object in com.sun.tools.javac
    Modifier and Type Class Description
    class  Main
    A legacy programmatic interface for the Java Programming Language compiler, javac.
  • Uses of Object in com.sun.tools.jconsole

    Subclasses of Object in com.sun.tools.jconsole
    Modifier and Type Class Description
    class  JConsolePlugin
    A JConsole plugin class.
  • Uses of Object in java.applet

    Subclasses of Object in java.applet
    Modifier and Type Class Description
    class  Applet
    Deprecated.
    The Applet API is deprecated, no replacement.
    protected class  Applet.AccessibleApplet
    Deprecated.
    This class implements accessibility support for the Applet class.
  • Uses of Object in java.awt

    Subclasses of Object in java.awt
    Modifier and Type Class Description
    class  AlphaComposite
    The AlphaComposite class implements basic alpha compositing rules for combining source and destination colors to achieve blending and transparency effects with graphics and images.
    class  AWTError
    Thrown when a serious Abstract Window Toolkit error has occurred.
    class  AWTEvent
    The root event class for all AWT events.
    class  AWTEventMulticaster
    AWTEventMulticaster implements efficient and thread-safe multi-cast event dispatching for the AWT events defined in the java.awt.event package.
    class  AWTException
    Signals that an Abstract Window Toolkit exception has occurred.
    class  AWTKeyStroke
    An AWTKeyStroke represents a key action on the keyboard, or equivalent input device.
    class  AWTPermission
    This class is for AWT permissions.
    class  BasicStroke
    The BasicStroke class defines a basic set of rendering attributes for the outlines of graphics primitives, which are rendered with a Graphics2D object that has its Stroke attribute set to this BasicStroke.
    class  BorderLayout
    A border layout lays out a container, arranging and resizing its components to fit in five regions: north, south, east, west, and center.
    class  BufferCapabilities
    Capabilities and properties of buffers.
    static class  BufferCapabilities.FlipContents
    A type-safe enumeration of the possible back buffer contents after page-flipping
    class  Button
    This class creates a labeled button.
    protected class  Button.AccessibleAWTButton
    This class implements accessibility support for the Button class.
    class  Canvas
    A Canvas component represents a blank rectangular area of the screen onto which the application can draw or from which the application can trap input events from the user.
    protected class  Canvas.AccessibleAWTCanvas
    This class implements accessibility support for the Canvas class.
    class  CardLayout
    A CardLayout object is a layout manager for a container.
    class  Checkbox
    A check box is a graphical component that can be in either an "on" (true) or "off" (false) state.
    protected class  Checkbox.AccessibleAWTCheckbox
    This class implements accessibility support for the Checkbox class.
    class  CheckboxGroup
    The CheckboxGroup class is used to group together a set of Checkbox buttons.
    class  CheckboxMenuItem
    This class represents a check box that can be included in a menu.
    protected class  CheckboxMenuItem.AccessibleAWTCheckboxMenuItem
    Inner class of CheckboxMenuItem used to provide default support for accessibility.
    class  Choice
    The Choice class presents a pop-up menu of choices.
    protected class  Choice.AccessibleAWTChoice
    This class implements accessibility support for the Choice class.
    class  Color
    The Color class is used to encapsulate colors in the default sRGB color space or colors in arbitrary color spaces identified by a ColorSpace.
    class  Component
    A component is an object having a graphical representation that can be displayed on the screen and that can interact with the user.
    protected class  Component.AccessibleAWTComponent
    Inner class of Component used to provide default support for accessibility.
    protected class  Component.AccessibleAWTComponent.AccessibleAWTComponentHandler
    Fire PropertyChange listener, if one is registered, when shown/hidden..
    protected class  Component.AccessibleAWTComponent.AccessibleAWTFocusHandler
    Fire PropertyChange listener, if one is registered, when focus events happen
    protected class  Component.BltBufferStrategy
    Inner class for blitting offscreen surfaces to a component.
    protected class  Component.FlipBufferStrategy
    Inner class for flipping buffers on a component.
    class  ComponentOrientation
    The ComponentOrientation class encapsulates the language-sensitive orientation that is to be used to order the elements of a component or of text.
    class  Container
    A generic Abstract Window Toolkit(AWT) container object is a component that can contain other AWT components.
    protected class  Container.AccessibleAWTContainer
    Inner class of Container used to provide default support for accessibility.
    protected class  Container.AccessibleAWTContainer.AccessibleContainerHandler
    Fire PropertyChange listener, if one is registered, when children are added or removed.
    class  ContainerOrderFocusTraversalPolicy
    A FocusTraversalPolicy that determines traversal order based on the order of child Components in a Container.
    class  Cursor
    A class to encapsulate the bitmap representation of the mouse cursor.
    class  DefaultFocusTraversalPolicy
    A FocusTraversalPolicy that determines traversal order based on the order of child Components in a Container.
    class  DefaultKeyboardFocusManager
    The default KeyboardFocusManager for AWT applications.
    class  Desktop
    The Desktop class allows interact with various desktop capabilities.
    class  Dialog
    A Dialog is a top-level window with a title and a border that is typically used to take some form of input from the user.
    protected class  Dialog.AccessibleAWTDialog
    This class implements accessibility support for the Dialog class.
    class  Dimension
    The Dimension class encapsulates the width and height of a component (in integer precision) in a single object.
    class  DisplayMode
    The DisplayMode class encapsulates the bit depth, height, width, and refresh rate of a GraphicsDevice.
    class  Event
    Deprecated.
    It is recommended that AWTEvent and its subclasses be used instead
    class  EventQueue
    EventQueue is a platform-independent class that queues events, both from the underlying peer classes and from trusted application classes.
    class  FileDialog
    The FileDialog class displays a dialog window from which the user can select a file.
    class  FlowLayout
    A flow layout arranges components in a directional flow, much like lines of text in a paragraph.
    class  FocusTraversalPolicy
    A FocusTraversalPolicy defines the order in which Components with a particular focus cycle root are traversed.
    class  Font
    The Font class represents fonts, which are used to render text in a visible way.
    class  FontFormatException
    Thrown by method createFont in the Font class to indicate that the specified font is bad.
    class  FontMetrics
    The FontMetrics class defines a font metrics object, which encapsulates information about the rendering of a particular font on a particular screen.
    class  Frame
    A Frame is a top-level window with a title and a border.
    protected class  Frame.AccessibleAWTFrame
    This class implements accessibility support for the Frame class.
    class  GradientPaint
    The GradientPaint class provides a way to fill a Shape with a linear color gradient pattern.
    class  Graphics
    The Graphics class is the abstract base class for all graphics contexts that allow an application to draw onto components that are realized on various devices, as well as onto off-screen images.
    class  Graphics2D
    This Graphics2D class extends the Graphics class to provide more sophisticated control over geometry, coordinate transformations, color management, and text layout.
    class  GraphicsConfigTemplate
    The GraphicsConfigTemplate class is used to obtain a valid GraphicsConfiguration.
    class  GraphicsConfiguration
    The GraphicsConfiguration class describes the characteristics of a graphics destination such as a printer or monitor.
    class  GraphicsDevice
    The GraphicsDevice class describes the graphics devices that might be available in a particular graphics environment.
    class  GraphicsEnvironment
    The GraphicsEnvironment class describes the collection of GraphicsDevice objects and Font objects available to a Java(tm) application on a particular platform.
    class  GridBagConstraints
    The GridBagConstraints class specifies constraints for components that are laid out using the GridBagLayout class.
    class  GridBagLayout
    The GridBagLayout class is a flexible layout manager that aligns components vertically, horizontally or along their baseline without requiring that the components be of the same size.
    class  GridBagLayoutInfo
    The GridBagLayoutInfo is an utility class for GridBagLayout layout manager.
    class  GridLayout
    The GridLayout class is a layout manager that lays out a container's components in a rectangular grid.
    class  HeadlessException
    Thrown when code that is dependent on a keyboard, display, or mouse is called in an environment that does not support a keyboard, display, or mouse.
    class  IllegalComponentStateException
    Signals that an AWT component is not in an appropriate state for the requested operation.
    class  Image
    The abstract class Image is the superclass of all classes that represent graphical images.
    class  ImageCapabilities
    Capabilities and properties of images.
    class  Insets
    An Insets object is a representation of the borders of a container.
    class  JobAttributes
    A set of attributes which control a print job.
    static class  JobAttributes.DefaultSelectionType
    A type-safe enumeration of possible default selection states.
    static class  JobAttributes.DestinationType
    A type-safe enumeration of possible job destinations.
    static class  JobAttributes.DialogType
    A type-safe enumeration of possible dialogs to display to the user.
    static class  JobAttributes.MultipleDocumentHandlingType
    A type-safe enumeration of possible multiple copy handling states.
    static class  JobAttributes.SidesType
    A type-safe enumeration of possible multi-page impositions.
    class  KeyboardFocusManager
    The KeyboardFocusManager is responsible for managing the active and focused Windows, and the current focus owner.
    class  Label
    A Label object is a component for placing text in a container.
    protected class  Label.AccessibleAWTLabel
    This class implements accessibility support for the Label class.
    class  LinearGradientPaint
    The LinearGradientPaint class provides a way to fill a Shape with a linear color gradient pattern.
    class  List
    The List component presents the user with a scrolling list of text items.
    protected class  List.AccessibleAWTList
    This class implements accessibility support for the List class.
    protected class  List.AccessibleAWTList.AccessibleAWTListChild
    This class implements accessibility support for List children.
    class  MediaTracker
    The MediaTracker class is a utility class to track the status of a number of media objects.
    class  Menu
    A Menu object is a pull-down menu component that is deployed from a menu bar.
    protected class  Menu.AccessibleAWTMenu
    Inner class of Menu used to provide default support for accessibility.
    class  MenuBar
    The MenuBar class encapsulates the platform's concept of a menu bar bound to a frame.
    protected class  MenuBar.AccessibleAWTMenuBar
    Inner class of MenuBar used to provide default support for accessibility.
    class  MenuComponent
    The abstract class MenuComponent is the superclass of all menu-related components.
    protected class  MenuComponent.AccessibleAWTMenuComponent
    Inner class of MenuComponent used to provide default support for accessibility.
    class  MenuItem
    All items in a menu must belong to the class MenuItem, or one of its subclasses.
    protected class  MenuItem.AccessibleAWTMenuItem
    Inner class of MenuItem used to provide default support for accessibility.
    class  MenuShortcut
    The MenuShortcut class represents a keyboard accelerator for a MenuItem.
    class  MouseInfo
    MouseInfo provides methods for getting information about the mouse, such as mouse pointer location and the number of mouse buttons.
    class  MultipleGradientPaint
    This is the superclass for Paints which use a multiple color gradient to fill in their raster.
    class  PageAttributes
    A set of attributes which control the output of a printed page.
    static class  PageAttributes.ColorType
    A type-safe enumeration of possible color states.
    static class  PageAttributes.MediaType
    A type-safe enumeration of possible paper sizes.
    static class  PageAttributes.OrientationRequestedType
    A type-safe enumeration of possible orientations.
    static class  PageAttributes.OriginType
    A type-safe enumeration of possible origins.
    static class  PageAttributes.PrintQualityType
    A type-safe enumeration of possible print qualities.
    class  Panel
    Panel is the simplest container class.
    protected class  Panel.AccessibleAWTPanel
    This class implements accessibility support for the Panel class.
    class  Point
    A point representing a location in (x,y) coordinate space, specified in integer precision.
    class  PointerInfo
    A class that describes the pointer position.
    class  Polygon
    The Polygon class encapsulates a description of a closed, two-dimensional region within a coordinate space.
    class  PopupMenu
    A class that implements a menu which can be dynamically popped up at a specified position within a component.
    protected class  PopupMenu.AccessibleAWTPopupMenu
    Inner class of PopupMenu used to provide default support for accessibility.
    class  PrintJob
    An abstract class which initiates and executes a print job.
    class  RadialGradientPaint
    The RadialGradientPaint class provides a way to fill a shape with a circular radial color gradient pattern.
    class  Rectangle
    A Rectangle specifies an area in a coordinate space that is enclosed by the Rectangle object's upper-left point (x,y) in the coordinate space, its width, and its height.
    class  RenderingHints
    The RenderingHints class defines and manages collections of keys and associated values which allow an application to provide input into the choice of algorithms used by other classes which perform rendering and image manipulation services.
    static class  RenderingHints.Key
    Defines the base type of all keys used along with the RenderingHints class to control various algorithm choices in the rendering and imaging pipelines.
    class  Robot
    This class is used to generate native system input events for the purposes of test automation, self-running demos, and other applications where control of the mouse and keyboard is needed.
    class  Scrollbar
    The Scrollbar class embodies a scroll bar, a familiar user-interface object.
    protected class  Scrollbar.AccessibleAWTScrollBar
    This class implements accessibility support for the Scrollbar class.
    class  ScrollPane
    A container class which implements automatic horizontal and/or vertical scrolling for a single child component.
    protected class  ScrollPane.AccessibleAWTScrollPane
    This class implements accessibility support for the ScrollPane class.
    class  ScrollPaneAdjustable
    This class represents the state of a horizontal or vertical scrollbar of a ScrollPane.
    class  SplashScreen
    The splash screen can be displayed at application startup, before the Java Virtual Machine (JVM) starts.
    class  SystemColor
    A class to encapsulate symbolic colors representing the color of native GUI objects on a system.
    class  SystemTray
    The SystemTray class represents the system tray for a desktop.
    class  Taskbar
    The Taskbar class allows a Java application to interact with the system task area (taskbar, Dock, etc.).
    class  TextArea
    A TextArea object is a multi-line region that displays text.
    protected class  TextArea.AccessibleAWTTextArea
    This class implements accessibility support for the TextArea class.
    class  TextComponent
    The TextComponent class is the superclass of any component that allows the editing of some text.
    protected class  TextComponent.AccessibleAWTTextComponent
    This class implements accessibility support for the TextComponent class.
    class  TextField
    A TextField object is a text component that allows for the editing of a single line of text.
    protected class  TextField.AccessibleAWTTextField
    This class implements accessibility support for the TextField class.
    class  TexturePaint
    The TexturePaint class provides a way to fill a Shape with a texture that is specified as a BufferedImage.
    class  Toolkit
    This class is the abstract superclass of all actual implementations of the Abstract Window Toolkit.
    class  TrayIcon
    A TrayIcon object represents a tray icon that can be added to the system tray.
    class  Window
    A Window object is a top-level window with no borders and no menubar.
    protected class  Window.AccessibleAWTWindow
    This class implements accessibility support for the Window class.
    Fields in java.awt declared as Object
    Modifier and Type Field Description
    Object Event.arg
    Deprecated.
    An arbitrary argument of the event.
    Object Event.target
    Deprecated.
    The target component.
    static Object Image.UndefinedProperty
    The UndefinedProperty object should be returned whenever a property which was not defined for a particular image is fetched.
    static Object RenderingHints.VALUE_ALPHA_INTERPOLATION_DEFAULT
    Alpha interpolation hint value -- alpha blending algorithms are chosen by the implementation for a good tradeoff of performance vs. quality.
    static Object RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY
    Alpha interpolation hint value -- alpha blending algorithms are chosen with a preference for precision and visual quality.
    static Object RenderingHints.VALUE_ALPHA_INTERPOLATION_SPEED
    Alpha interpolation hint value -- alpha blending algorithms are chosen with a preference for calculation speed.
    static Object RenderingHints.VALUE_ANTIALIAS_DEFAULT
    Antialiasing hint value -- rendering is done with a default antialiasing mode chosen by the implementation.
    static Object RenderingHints.VALUE_ANTIALIAS_OFF
    Antialiasing hint value -- rendering is done without antialiasing.
    static Object RenderingHints.VALUE_ANTIALIAS_ON
    Antialiasing hint value -- rendering is done with antialiasing.
    static Object RenderingHints.VALUE_COLOR_RENDER_DEFAULT
    Color rendering hint value -- perform color conversion calculations as chosen by the implementation to represent the best available tradeoff between performance and accuracy.
    static Object RenderingHints.VALUE_COLOR_RENDER_QUALITY
    Color rendering hint value -- perform the color conversion calculations with the highest accuracy and visual quality.
    static Object RenderingHints.VALUE_COLOR_RENDER_SPEED
    Color rendering hint value -- perform the fastest color conversion to the format of the output device.
    static Object RenderingHints.VALUE_DITHER_DEFAULT
    Dithering hint value -- use a default for dithering chosen by the implementation.
    static Object RenderingHints.VALUE_DITHER_DISABLE
    Dithering hint value -- do not dither when rendering geometry.
    static Object RenderingHints.VALUE_DITHER_ENABLE
    Dithering hint value -- dither when rendering geometry, if needed.
    static Object RenderingHints.VALUE_FRACTIONALMETRICS_DEFAULT
    Font fractional metrics hint value -- character glyphs are positioned with accuracy chosen by the implementation.
    static Object RenderingHints.VALUE_FRACTIONALMETRICS_OFF
    Font fractional metrics hint value -- character glyphs are positioned with advance widths rounded to pixel boundaries.
    static Object RenderingHints.VALUE_FRACTIONALMETRICS_ON
    Font fractional metrics hint value -- character glyphs are positioned with sub-pixel accuracy.
    static Object RenderingHints.VALUE_INTERPOLATION_BICUBIC
    Interpolation hint value -- the color samples of 9 nearby integer coordinate samples in the image are interpolated using a cubic function in both X and Y to produce a color sample.
    static Object RenderingHints.VALUE_INTERPOLATION_BILINEAR
    Interpolation hint value -- the color samples of the 4 nearest neighboring integer coordinate samples in the image are interpolated linearly to produce a color sample.
    static Object RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR
    Interpolation hint value -- the color sample of the nearest neighboring integer coordinate sample in the image is used.
    static Object RenderingHints.VALUE_RENDER_DEFAULT
    Rendering hint value -- rendering algorithms are chosen by the implementation for a good tradeoff of performance vs. quality.
    static Object RenderingHints.VALUE_RENDER_QUALITY
    Rendering hint value -- rendering algorithms are chosen with a preference for output quality.
    static Object RenderingHints.VALUE_RENDER_SPEED
    Rendering hint value -- rendering algorithms are chosen with a preference for output speed.
    static Object RenderingHints.VALUE_RESOLUTION_VARIANT_BASE
    Image resolution variant hint value -- the standard resolution of an image is always used.
    static Object RenderingHints.VALUE_RESOLUTION_VARIANT_DEFAULT
    Image resolution variant hint value -- an image resolution variant is chosen based on a default heuristic which may depend on the policies of the platform
    static Object RenderingHints.VALUE_RESOLUTION_VARIANT_DPI_FIT
    Image resolution variant hint value -- an image resolution variant is chosen based only on the DPI of the screen.
    static Object RenderingHints.VALUE_RESOLUTION_VARIANT_SIZE_FIT
    Image resolution variant hint value -- an image resolution variant is chosen based on the DPI of the screen and the transform in the Graphics2D context.
    static Object RenderingHints.VALUE_STROKE_DEFAULT
    Stroke normalization control hint value -- geometry may be modified or left pure depending on the tradeoffs in a given implementation.
    static Object RenderingHints.VALUE_STROKE_NORMALIZE
    Stroke normalization control hint value -- geometry should be normalized to improve uniformity or spacing of lines and overall aesthetics.
    static Object RenderingHints.VALUE_STROKE_PURE
    Stroke normalization control hint value -- geometry should be left unmodified and rendered with sub-pixel accuracy.
    static Object RenderingHints.VALUE_TEXT_ANTIALIAS_DEFAULT
    Text antialiasing hint value -- text rendering is done according to the RenderingHints.KEY_ANTIALIASING hint or a default chosen by the implementation.
    static Object RenderingHints.VALUE_TEXT_ANTIALIAS_GASP
    Text antialiasing hint value -- text rendering is requested to use information in the font resource which specifies for each point size whether to apply RenderingHints.VALUE_TEXT_ANTIALIAS_ON or RenderingHints.VALUE_TEXT_ANTIALIAS_OFF.
    static Object RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HBGR
    Text antialiasing hint value -- request that text be displayed optimised for an LCD display with subpixels in order from display left to right of B,G,R such that the horizontal subpixel resolution is three times that of the full pixel horizontal resolution (HBGR).
    static Object RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB
    Text antialiasing hint value -- request that text be displayed optimised for an LCD display with subpixels in order from display left to right of R,G,B such that the horizontal subpixel resolution is three times that of the full pixel horizontal resolution (HRGB).
    static Object RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VBGR
    Text antialiasing hint value -- request that text be displayed optimised for an LCD display with subpixel organisation from display top to bottom of B,G,R such that the vertical subpixel resolution is three times that of the full pixel vertical resolution (VBGR).
    static Object RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VRGB
    Text antialiasing hint value -- request that text be displayed optimised for an LCD display with subpixel organisation from display top to bottom of R,G,B such that the vertical subpixel resolution is three times that of the full pixel vertical resolution (VRGB).
    static Object RenderingHints.VALUE_TEXT_ANTIALIAS_OFF
    Text antialiasing hint value -- text rendering is done without any form of antialiasing.
    static Object RenderingHints.VALUE_TEXT_ANTIALIAS_ON
    Text antialiasing hint value -- text rendering is done with some form of antialiasing.
    Fields in java.awt with type parameters of type Object
    Modifier and Type Field Description
    protected Map<String,​Object> Toolkit.desktopProperties
    The desktop properties.
    Methods in java.awt that return Object
    Modifier and Type Method Description
    Object BufferCapabilities.clone()  
    Object GridBagConstraints.clone()
    Creates a copy of this grid bag constraint.
    Object ImageCapabilities.clone()  
    Object Insets.clone()
    Create a copy of this object.
    Object JobAttributes.clone()
    Creates and returns a copy of this JobAttributes.
    Object PageAttributes.clone()
    Creates and returns a copy of this PageAttributes.
    Object RenderingHints.clone()
    Creates a clone of this RenderingHints object that has the same contents as this RenderingHints object.
    Object RenderingHints.get​(Object key)
    Returns the value to which the specified key is mapped.
    Object BorderLayout.getConstraints​(Component comp)
    Gets the constraints for the specified component
    Object Toolkit.getDesktopProperty​(String propertyName)
    Obtains a value for the specified desktop property.
    Object[] MediaTracker.getErrorsAny()
    Returns a list of all media that have encountered an error.
    Object[] MediaTracker.getErrorsID​(int id)
    Returns a list of media with the specified ID that have encountered an error.
    abstract Object Image.getProperty​(String name, ImageObserver observer)
    Gets a property of this image by name.
    abstract Object Graphics2D.getRenderingHint​(RenderingHints.Key hintKey)
    Returns the value of a single preference for the rendering algorithms.
    Object[] Checkbox.getSelectedObjects()
    Returns an array (length 1) containing the checkbox label or null if the checkbox is not selected.
    Object[] CheckboxMenuItem.getSelectedObjects()
    Returns the an array (length 1) containing the checkbox menu item label or null if the checkbox is not selected.
    Object[] Choice.getSelectedObjects()
    Returns an array (length 1) containing the currently selected item.
    Object[] ItemSelectable.getSelectedObjects()
    Returns the selected items or null if no items are selected.
    Object[] List.getSelectedObjects()
    Gets the selected items on this scrolling list in an array of Objects.
    Object Component.getTreeLock()
    Gets this component's locking object (the object that owns the thread synchronization monitor) for AWT component-tree and layout operations.
    protected Object MenuComponent.getTreeLock()
    Gets this component's locking object (the object that owns the thread synchronization monitor) for AWT component-tree and layout operations.
    protected Object Toolkit.lazilyLoadDesktopProperty​(String name)
    An opportunity to lazily evaluate desktop property values.
    Object RenderingHints.put​(Object key, Object value)
    Maps the specified key to the specified value in this RenderingHints object.
    protected Object AWTKeyStroke.readResolve()
    Returns a cached instance of AWTKeyStroke (or a subclass of AWTKeyStroke) which is equal to this instance.
    Object RenderingHints.remove​(Object key)
    Removes the key and its corresponding value from this RenderingHints object.
    Methods in java.awt that return types with arguments of type Object
    Modifier and Type Method Description
    Set<Map.Entry<Object,​Object>> RenderingHints.entrySet()
    Returns a Set view of the mappings contained in this RenderingHints.
    Set<Map.Entry<Object,​Object>> RenderingHints.entrySet()
    Returns a Set view of the mappings contained in this RenderingHints.
    Set<Object> RenderingHints.keySet()
    Returns a Set view of the Keys contained in this RenderingHints.
    Collection<Object> RenderingHints.values()
    Returns a Collection view of the values contained in this RenderingHints.
    Methods in java.awt with parameters of type Object
    Modifier and Type Method Description
    boolean Component.action​(Event evt, Object what)
    Deprecated.
    As of JDK version 1.1, should register this component as ActionListener on component which fires action events.
    void Container.add​(Component comp, Object constraints)
    Adds the specified component to the end of this container.
    void Container.add​(Component comp, Object constraints, int index)
    Adds the specified component to this container with the specified constraints at the specified index.
    protected void Container.addImpl​(Component comp, Object constraints, int index)
    Adds the specified component to this container at the specified index.
    protected void ScrollPane.addImpl​(Component comp, Object constraints, int index)
    Adds the specified component to this scroll pane container.
    void BorderLayout.addLayoutComponent​(Component comp, Object constraints)
    Adds the specified component to the layout, using the specified constraint object.
    void CardLayout.addLayoutComponent​(Component comp, Object constraints)
    Adds the specified component to this card layout's internal table of names.
    void GridBagLayout.addLayoutComponent​(Component comp, Object constraints)
    Adds the specified component to the layout, using the specified constraints object.
    void LayoutManager2.addLayoutComponent​(Component comp, Object constraints)
    Adds the specified component to the layout, using the specified constraint object.
    boolean RenderingHints.containsKey​(Object key)
    Returns true if this RenderingHints contains a mapping for the specified key.
    boolean RenderingHints.containsValue​(Object value)
    Returns true if this RenderingHints maps one or more keys to the specified value.
    boolean AlphaComposite.equals​(Object obj)
    Determines whether the specified object is equal to this AlphaComposite.
    boolean AWTKeyStroke.equals​(Object anObject)
    Returns true if this object is identical to the specified object.
    boolean BasicStroke.equals​(Object obj)
    Tests if a specified object is equal to this BasicStroke by first testing if it is a BasicStroke and then comparing its width, join, cap, miter limit, dash, and dash phase attributes with those of this BasicStroke.
    boolean Color.equals​(Object obj)
    Determines whether another object is equal to this Color.
    boolean Dimension.equals​(Object obj)
    Checks whether two dimension objects have equal values.
    boolean Font.equals​(Object obj)
    Compares this Font object to the specified Object.
    boolean Insets.equals​(Object obj)
    Checks whether two insets objects are equal.
    boolean JobAttributes.equals​(Object obj)
    Determines whether two JobAttributes are equal to each other.
    boolean MenuShortcut.equals​(Object obj)
    Returns whether this MenuShortcut is the same as another: equality is defined to mean that both MenuShortcuts use the same key and both either use or don't use the SHIFT key.
    boolean PageAttributes.equals​(Object obj)
    Determines whether two PageAttributes are equal to each other.
    boolean Point.equals​(Object obj)
    Determines whether or not two points are equal.
    boolean Rectangle.equals​(Object obj)
    Checks whether two rectangles are equal.
    boolean RenderingHints.equals​(Object o)
    Compares the specified Object with this RenderingHints for equality.
    boolean RenderingHints.Key.equals​(Object o)
    The equals method for all Key objects will return the same result as the equality operator '=='.
    protected void Component.firePropertyChange​(String propertyName, Object oldValue, Object newValue)
    Support for reporting bound property changes for Object properties.
    protected void KeyboardFocusManager.firePropertyChange​(String propertyName, Object oldValue, Object newValue)
    Fires a PropertyChangeEvent in response to a change in a bound property.
    protected void KeyboardFocusManager.fireVetoableChange​(String propertyName, Object oldValue, Object newValue)
    Fires a PropertyChangeEvent in response to a change in a vetoable property.
    Object RenderingHints.get​(Object key)
    Returns the value to which the specified key is mapped.
    Component BorderLayout.getLayoutComponent​(Container target, Object constraints)
    Returns the component that corresponds to the given constraint location based on the target Container's component orientation.
    Component BorderLayout.getLayoutComponent​(Object constraints)
    Gets the component that was added using the given constraint
    boolean Component.gotFocus​(Event evt, Object what)
    Deprecated.
    As of JDK version 1.1, replaced by processFocusEvent(FocusEvent).
    abstract boolean RenderingHints.Key.isCompatibleValue​(Object val)
    Returns true if the specified object is a valid value for this Key.
    boolean Component.lostFocus​(Event evt, Object what)
    Deprecated.
    As of JDK version 1.1, replaced by processFocusEvent(FocusEvent).
    Object RenderingHints.put​(Object key, Object value)
    Maps the specified key to the specified value in this RenderingHints object.
    Object RenderingHints.remove​(Object key)
    Removes the key and its corresponding value from this RenderingHints object.
    protected void Toolkit.setDesktopProperty​(String name, Object newValue)
    Sets the named desktop property to the specified value and fires a property change event to notify any listeners that the value has changed.
    abstract void Graphics2D.setRenderingHint​(RenderingHints.Key hintKey, Object hintValue)
    Sets the value of a single preference for the rendering algorithms.
    void AWTEvent.setSource​(Object newSource)
    Retargets an event to a new source.
    Constructors in java.awt with parameters of type Object
    Constructor Description
    AWTEvent​(Object source, int id)
    Constructs an AWTEvent object with the specified source object and type.
    Event​(Object target, int id, Object arg)
    Deprecated.
    NOTE: The Event class is obsolete and is available only for backwards compatibility.
    Event​(Object target, long when, int id, int x, int y, int key, int modifiers)
    Deprecated.
    NOTE: The Event class is obsolete and is available only for backwards compatibility.
    Event​(Object target, long when, int id, int x, int y, int key, int modifiers, Object arg)
    Deprecated.
    NOTE: The Event class is obsolete and is available only for backwards compatibility.
    RenderingHints​(RenderingHints.Key key, Object value)
    Constructs a new object with the specified key/value pair.
  • Uses of Object in java.awt.color

    Subclasses of Object in java.awt.color
    Modifier and Type Class Description
    class  CMMException
    This exception is thrown if the native CMM returns an error.
    class  ColorSpace
    This abstract class is used to serve as a color space tag to identify the specific color space of a Color object or, via a ColorModel object, of an Image, a BufferedImage, or a GraphicsDevice.
    class  ICC_ColorSpace
    The ICC_ColorSpace class is an implementation of the abstract ColorSpace class.
    class  ICC_Profile
    A representation of color profile data for device independent and device dependent color spaces based on the International Color Consortium Specification ICC.1:2001-12, File Format for Color Profiles, (see http://www.color.org).
    class  ICC_ProfileGray
    The ICC_ProfileGray class is a subclass of the ICC_Profile class that represents profiles which meet the following criteria: the color space type of the profile is TYPE_GRAY and the profile includes the grayTRCTag and mediaWhitePointTag tags.
    class  ICC_ProfileRGB
    The ICC_ProfileRGB class is a subclass of the ICC_Profile class that represents profiles which meet the following criteria: the profile's color space type is RGB, and the profile includes the redColorantTag, greenColorantTag, blueColorantTag, redTRCTag, greenTRCTag, blueTRCTag, mediaWhitePointTag tags.
    class  ProfileDataException
    This exception is thrown when an error occurs in accessing or processing an ICC_Profile object.
    Methods in java.awt.color that return Object
    Modifier and Type Method Description
    protected Object ICC_Profile.readResolve()
    Resolves instances being deserialized into instances registered with CMM.
  • Uses of Object in java.awt.datatransfer

    Subclasses of Object in java.awt.datatransfer
    Modifier and Type Class Description
    class  Clipboard
    A class that implements a mechanism to transfer data using cut/copy/paste operations.
    class  DataFlavor
    A DataFlavor provides meta information about data.
    class  FlavorEvent
    FlavorEvent is used to notify interested parties that available DataFlavors have changed in the Clipboard (the event source).
    class  MimeTypeParseException
    A class to encapsulate MimeType parsing related exceptions.
    class  StringSelection
    A Transferable which implements the capability required to transfer a String.
    class  SystemFlavorMap
    The SystemFlavorMap is a configurable map between "natives" (Strings), which correspond to platform-specific data formats, and "flavors" (DataFlavors), which correspond to platform-independent MIME types.
    class  UnsupportedFlavorException
    Signals that the requested data is not supported in this flavor.
    Methods in java.awt.datatransfer that return Object
    Modifier and Type Method Description
    Object DataFlavor.clone()
    Returns a clone of this DataFlavor.
    Object Clipboard.getData​(DataFlavor flavor)
    Returns an object representing the current contents of this clipboard in the specified DataFlavor.
    Object StringSelection.getTransferData​(DataFlavor flavor)
    Returns the Transferable's data in the requested DataFlavor if possible.
    Object Transferable.getTransferData​(DataFlavor flavor)
    Returns an object which represents the data to be transferred.
    Methods in java.awt.datatransfer with parameters of type Object
    Modifier and Type Method Description
    boolean DataFlavor.equals​(Object o)
    Indicates whether some other object is "equal to" this one.
    Transferable Clipboard.getContents​(Object requestor)
    Returns a transferable object representing the current contents of the clipboard.
  • Uses of Object in java.awt.desktop

    Subclasses of Object in java.awt.desktop
    Modifier and Type Class Description
    class  AboutEvent
    Event sent when the application is asked to open its about window.
    class  AppEvent
    AppEvents are sent to listeners and handlers installed on the Desktop instance of the current desktop context.
    class  AppForegroundEvent
    Event sent when the application has become the foreground app, and when it is no longer the foreground app.
    class  AppHiddenEvent
    Event sent when the application has been hidden or shown.
    class  AppReopenedEvent
    Event sent when the application is asked to re-open itself.
    class  FilesEvent
    Auxiliary event containing a list of files.
    class  OpenFilesEvent
    Event sent when the app is asked to open a list of files.
    class  OpenURIEvent
    Event sent when the app is asked to open a URI.
    class  PreferencesEvent
    Event sent when the application is asked to open its preferences window.
    class  PrintFilesEvent
    Event sent when the app is asked to print a list of files.
    class  QuitEvent
    Event sent when the application is asked to quit.
    class  ScreenSleepEvent
    Event sent when the displays attached to the system enter and exit power save sleep.
    class  SystemSleepEvent
    Event sent when the system enters and exits power save sleep.
    class  UserSessionEvent
    Event sent when the user session has been changed.
  • Uses of Object in java.awt.dnd

    Subclasses of Object in java.awt.dnd
    Modifier and Type Class Description
    class  DnDConstants
    This class contains constant values representing the type of action(s) to be performed by a Drag and Drop operation.
    class  DragGestureEvent
    A DragGestureEvent is passed to DragGestureListener's dragGestureRecognized() method when a particular DragGestureRecognizer detects that a platform dependent drag initiating gesture has occurred on the Component that it is tracking.
    class  DragGestureRecognizer
    The DragGestureRecognizer is an abstract base class for the specification of a platform-dependent listener that can be associated with a particular Component in order to identify platform-dependent drag initiating gestures.
    class  DragSource
    The DragSource is the entity responsible for the initiation of the Drag and Drop operation, and may be used in a number of scenarios: 1 default instance per JVM for the lifetime of that JVM.
    class  DragSourceAdapter
    An abstract adapter class for receiving drag source events.
    class  DragSourceContext
    The DragSourceContext class is responsible for managing the initiator side of the Drag and Drop protocol.
    class  DragSourceDragEvent
    The DragSourceDragEvent is delivered from the DragSourceContextPeer, via the DragSourceContext, to the DragSourceListener registered with that DragSourceContext and with its associated DragSource.
    class  DragSourceDropEvent
    The DragSourceDropEvent is delivered from the DragSourceContextPeer, via the DragSourceContext, to the dragDropEnd method of DragSourceListeners registered with that DragSourceContext and with its associated DragSource.
    class  DragSourceEvent
    This class is the base class for DragSourceDragEvent and DragSourceDropEvent.
    class  DropTarget
    The DropTarget is associated with a Component when that Component wishes to accept drops during Drag and Drop operations.
    protected static class  DropTarget.DropTargetAutoScroller
    this protected nested class implements autoscrolling
    class  DropTargetAdapter
    An abstract adapter class for receiving drop target events.
    class  DropTargetContext
    A DropTargetContext is created whenever the logical cursor associated with a Drag and Drop operation coincides with the visible geometry of a Component associated with a DropTarget.
    protected class  DropTargetContext.TransferableProxy
    TransferableProxy is a helper inner class that implements Transferable interface and serves as a proxy for another Transferable object which represents data transfer for a particular drag-n-drop operation.
    class  DropTargetDragEvent
    The DropTargetDragEvent is delivered to a DropTargetListener via its dragEnter() and dragOver() methods.
    class  DropTargetDropEvent
    The DropTargetDropEvent is delivered via the DropTargetListener drop() method.
    class  DropTargetEvent
    The DropTargetEvent is the base class for both the DropTargetDragEvent and the DropTargetDropEvent.
    class  InvalidDnDOperationException
    This exception is thrown by various methods in the java.awt.dnd package.
    class  MouseDragGestureRecognizer
    This abstract subclass of DragGestureRecognizer defines a DragGestureRecognizer for mouse-based gestures.
    Methods in java.awt.dnd that return Object
    Modifier and Type Method Description
    Object DropTargetContext.TransferableProxy.getTransferData​(DataFlavor df)
    Returns an object which represents the data provided by the encapsulated transferable for the requested data flavor.
    Object[] DragGestureEvent.toArray()
    Returns an Object array of the events comprising the drag gesture.
    Object[] DragGestureEvent.toArray​(Object[] array)
    Returns an array of the events comprising the drag gesture.
    Methods in java.awt.dnd with parameters of type Object
    Modifier and Type Method Description
    Object[] DragGestureEvent.toArray​(Object[] array)
    Returns an array of the events comprising the drag gesture.
  • Uses of Object in java.awt.event

    Subclasses of Object in java.awt.event
    Modifier and Type Class Description
    class  ActionEvent
    A semantic event which indicates that a component-defined action occurred.
    class  AdjustmentEvent
    The adjustment event emitted by Adjustable objects like Scrollbar and ScrollPane.
    class  AWTEventListenerProxy
    A class which extends the EventListenerProxy specifically for adding an AWTEventListener for a specific event mask.
    class  ComponentAdapter
    An abstract adapter class for receiving component events.
    class  ComponentEvent
    A low-level event which indicates that a component moved, changed size, or changed visibility (also, the root class for the other component-level events).
    class  ContainerAdapter
    An abstract adapter class for receiving container events.
    class  ContainerEvent
    A low-level event which indicates that a container's contents changed because a component was added or removed.
    class  FocusAdapter
    An abstract adapter class for receiving keyboard focus events.
    class  FocusEvent
    A low-level event which indicates that a Component has gained or lost the input focus.
    class  HierarchyBoundsAdapter
    An abstract adapter class for receiving ancestor moved and resized events.
    class  HierarchyEvent
    An event which indicates a change to the Component hierarchy to which Component belongs.
    class  InputEvent
    The root event class for all component-level input events.
    class  InputMethodEvent
    Input method events contain information about text that is being composed using an input method.
    class  InvocationEvent
    An event which executes the run() method on a Runnable when dispatched by the AWT event dispatcher thread.
    class  ItemEvent
    A semantic event which indicates that an item was selected or deselected.
    class  KeyAdapter
    An abstract adapter class for receiving keyboard events.
    class  KeyEvent
    An event which indicates that a keystroke occurred in a component.
    class  MouseAdapter
    An abstract adapter class for receiving mouse events.
    class  MouseEvent
    An event which indicates that a mouse action occurred in a component.
    class  MouseMotionAdapter
    An abstract adapter class for receiving mouse motion events.
    class  MouseWheelEvent
    An event which indicates that the mouse wheel was rotated in a component.
    class  PaintEvent
    The component-level paint event.
    class  TextEvent
    A semantic event which indicates that an object's text changed.
    class  WindowAdapter
    An abstract adapter class for receiving window events.
    class  WindowEvent
    A low-level event that indicates that a window has changed its status.
    Fields in java.awt.event declared as Object
    Modifier and Type Field Description
    protected Object InvocationEvent.notifier
    The (potentially null) Object whose notifyAll() method will be called immediately after the Runnable.run() method has returned or thrown an exception or after the event was disposed.
    Methods in java.awt.event that return Object
    Modifier and Type Method Description
    Object ItemEvent.getItem()
    Returns the item affected by the event.
    Constructors in java.awt.event with parameters of type Object
    Constructor Description
    ActionEvent​(Object source, int id, String command)
    Constructs an ActionEvent object.
    ActionEvent​(Object source, int id, String command, int modifiers)
    Constructs an ActionEvent object with modifier keys.
    ActionEvent​(Object source, int id, String command, long when, int modifiers)
    Constructs an ActionEvent object with the specified modifier keys and timestamp.
    InvocationEvent​(Object source, int id, Runnable runnable, Object notifier, boolean catchThrowables)
    Constructs an InvocationEvent with the specified source and ID which will execute the runnable's run() method when dispatched.
    InvocationEvent​(Object source, Runnable runnable)
    Constructs an InvocationEvent with the specified source which will execute the runnable's run() method when dispatched.
    InvocationEvent​(Object source, Runnable runnable, Object notifier, boolean catchThrowables)
    Constructs an InvocationEvent with the specified source which will execute the runnable's run() method when dispatched.
    InvocationEvent​(Object source, Runnable runnable, Runnable listener, boolean catchThrowables)
    Constructs an InvocationEvent with the specified source which will execute the runnable's run() method when dispatched.
    ItemEvent​(ItemSelectable source, int id, Object item, int stateChange)
    Constructs an ItemEvent object.
    TextEvent​(Object source, int id)
    Constructs a TextEvent object.
  • Uses of Object in java.awt.font

    Subclasses of Object in java.awt.font
    Modifier and Type Class Description
    class  FontRenderContext
    The FontRenderContext class is a container for the information needed to correctly measure text.
    class  GlyphJustificationInfo
    The GlyphJustificationInfo class represents information about the justification properties of a glyph.
    class  GlyphMetrics
    The GlyphMetrics class represents information for a single glyph.
    class  GlyphVector
    A GlyphVector object is a collection of glyphs containing geometric information for the placement of each glyph in a transformed coordinate space which corresponds to the device on which the GlyphVector is ultimately displayed.
    class  GraphicAttribute
    This class is used with the CHAR_REPLACEMENT attribute.
    class  ImageGraphicAttribute
    The ImageGraphicAttribute class is an implementation of GraphicAttribute which draws images in a TextLayout.
    class  LayoutPath
    LayoutPath provides a mapping between locations relative to the baseline and points in user space.
    class  LineBreakMeasurer
    The LineBreakMeasurer class allows styled text to be broken into lines (or segments) that fit within a particular visual advance.
    class  LineMetrics
    The LineMetrics class allows access to the metrics needed to layout characters along a line and to layout of a set of lines.
    class  NumericShaper
    The NumericShaper class is used to convert Latin-1 (European) digits to other Unicode decimal digits.
    class  ShapeGraphicAttribute
    The ShapeGraphicAttribute class is an implementation of GraphicAttribute that draws shapes in a TextLayout.
    class  TextAttribute
    The TextAttribute class defines attribute keys and attribute values used for text rendering.
    class  TextHitInfo
    The TextHitInfo class represents a character position in a text model, and a bias, or "side," of the character.
    class  TextLayout
    TextLayout is an immutable graphical representation of styled character data.
    static class  TextLayout.CaretPolicy
    Defines a policy for determining the strong caret location.
    class  TextMeasurer
    The TextMeasurer class provides the primitive operations needed for line break: measuring up to a given advance, determining the advance of a range of characters, and generating a TextLayout for a range of characters.
    class  TransformAttribute
    The TransformAttribute class provides an immutable wrapper for a transform so that it is safe to use as an attribute.
    Methods in java.awt.font that return Object
    Modifier and Type Method Description
    protected Object TextLayout.clone()
    Creates a copy of this TextLayout.
    Object FontRenderContext.getAntiAliasingHint()
    Return the text anti-aliasing rendering mode hint used in this FontRenderContext.
    Object FontRenderContext.getFractionalMetricsHint()
    Return the text fractional metrics rendering mode hint used in this FontRenderContext.
    protected Object TextAttribute.readResolve()
    Resolves instances being deserialized to the predefined constants.
    Methods in java.awt.font with parameters of type Object
    Modifier and Type Method Description
    boolean FontRenderContext.equals​(Object obj)
    Return true if obj is an instance of FontRenderContext and has the same transform, antialiasing, and fractional metrics values as this.
    boolean ImageGraphicAttribute.equals​(Object rhs)
    Compares this ImageGraphicAttribute to the specified Object.
    boolean NumericShaper.equals​(Object o)
    Returns true if the specified object is an instance of NumericShaper and shapes identically to this one, regardless of the range representations, the bit mask or the enum.
    boolean ShapeGraphicAttribute.equals​(Object rhs)
    Compares this ShapeGraphicAttribute to the specified Object.
    boolean TextHitInfo.equals​(Object obj)
    Returns true if the specified Object is a TextHitInfo and equals this TextHitInfo.
    boolean TransformAttribute.equals​(Object rhs)
    Returns true if rhs is a TransformAttribute whose transform is equal to this TransformAttribute's transform.
    Constructors in java.awt.font with parameters of type Object
    Constructor Description
    FontRenderContext​(AffineTransform tx, Object aaHint, Object fmHint)
    Constructs a FontRenderContext object from an optional AffineTransform and two Object values that determine if the newly constructed object has anti-aliasing or fractional metrics.
  • Uses of Object in java.awt.geom

    Subclasses of Object in java.awt.geom
    Modifier and Type Class Description
    class  AffineTransform
    The AffineTransform class represents a 2D affine transform that performs a linear mapping from 2D coordinates to other 2D coordinates that preserves the "straightness" and "parallelness" of lines.
    class  Arc2D
    Arc2D is the abstract superclass for all objects that store a 2D arc defined by a framing rectangle, start angle, angular extent (length of the arc), and a closure type (OPEN, CHORD, or PIE).
    static class  Arc2D.Double
    This class defines an arc specified in double precision.
    static class  Arc2D.Float
    This class defines an arc specified in float precision.
    class  Area
    An Area object stores and manipulates a resolution-independent description of an enclosed area of 2-dimensional space.
    class  CubicCurve2D
    The CubicCurve2D class defines a cubic parametric curve segment in (x,y) coordinate space.
    static class  CubicCurve2D.Double
    A cubic parametric curve segment specified with double coordinates.
    static class  CubicCurve2D.Float
    A cubic parametric curve segment specified with float coordinates.
    class  Dimension2D
    The Dimension2D class is to encapsulate a width and a height dimension.
    class  Ellipse2D
    The Ellipse2D class describes an ellipse that is defined by a framing rectangle.
    static class  Ellipse2D.Double
    The Double class defines an ellipse specified in double precision.
    static class  Ellipse2D.Float
    The Float class defines an ellipse specified in float precision.
    class  FlatteningPathIterator
    The FlatteningPathIterator class returns a flattened view of another PathIterator object.
    class  GeneralPath
    The GeneralPath class represents a geometric path constructed from straight lines, and quadratic and cubic (Bézier) curves.
    class  IllegalPathStateException
    The IllegalPathStateException represents an exception that is thrown if an operation is performed on a path that is in an illegal state with respect to the particular operation being performed, such as appending a path segment to a GeneralPath without an initial moveto.
    class  Line2D
    This Line2D represents a line segment in (x,y) coordinate space.
    static class  Line2D.Double
    A line segment specified with double coordinates.
    static class  Line2D.Float
    A line segment specified with float coordinates.
    class  NoninvertibleTransformException
    The NoninvertibleTransformException class represents an exception that is thrown if an operation is performed requiring the inverse of an AffineTransform object but the AffineTransform is in a non-invertible state.
    class  Path2D
    The Path2D class provides a simple, yet flexible shape which represents an arbitrary geometric path.
    static class  Path2D.Double
    The Double class defines a geometric path with coordinates stored in double precision floating point.
    static class  Path2D.Float
    The Float class defines a geometric path with coordinates stored in single precision floating point.
    class  Point2D
    The Point2D class defines a point representing a location in (x,y) coordinate space.
    static class  Point2D.Double
    The Double class defines a point specified in double precision.
    static class  Point2D.Float
    The Float class defines a point specified in float precision.
    class  QuadCurve2D
    The QuadCurve2D class defines a quadratic parametric curve segment in (x,y) coordinate space.
    static class  QuadCurve2D.Double
    A quadratic parametric curve segment specified with double coordinates.
    static class  QuadCurve2D.Float
    A quadratic parametric curve segment specified with float coordinates.
    class  Rectangle2D
    The Rectangle2D class describes a rectangle defined by a location (x,y) and dimension (w x h).
    static class  Rectangle2D.Double
    The Double class defines a rectangle specified in double coordinates.
    static class  Rectangle2D.Float
    The Float class defines a rectangle specified in float coordinates.
    class  RectangularShape
    RectangularShape is the base class for a number of Shape objects whose geometry is defined by a rectangular frame.
    class  RoundRectangle2D
    The RoundRectangle2D class defines a rectangle with rounded corners defined by a location (x,y), a dimension (w x h), and the width and height of an arc with which to round the corners.
    static class  RoundRectangle2D.Double
    The Double class defines a rectangle with rounded corners all specified in double coordinates.
    static class  RoundRectangle2D.Float
    The Float class defines a rectangle with rounded corners all specified in float coordinates.
    Methods in java.awt.geom that return Object
    Modifier and Type Method Description
    Object AffineTransform.clone()
    Returns a copy of this AffineTransform object.
    Object Area.clone()
    Returns an exact copy of this Area object.
    Object CubicCurve2D.clone()
    Creates a new object of the same class as this object.
    Object Dimension2D.clone()
    Creates a new object of the same class as this object.
    Object Line2D.clone()
    Creates a new object of the same class as this object.
    abstract Object Path2D.clone()
    Creates a new object of the same class as this object.
    Object Path2D.Double.clone()
    Creates a new object of the same class as this object.
    Object Path2D.Float.clone()
    Creates a new object of the same class as this object.
    Object Point2D.clone()
    Creates a new object of the same class and with the same contents as this object.
    Object QuadCurve2D.clone()
    Creates a new object of the same class and with the same contents as this object.
    Object RectangularShape.clone()
    Creates a new object of the same class and with the same contents as this object.
    Methods in java.awt.geom with parameters of type Object
    Modifier and Type Method Description
    boolean AffineTransform.equals​(Object obj)
    Returns true if this AffineTransform represents the same affine coordinate transform as the specified argument.
    boolean Arc2D.equals​(Object obj)
    Determines whether or not the specified Object is equal to this Arc2D.
    boolean Ellipse2D.equals​(Object obj)
    Determines whether or not the specified Object is equal to this Ellipse2D.
    boolean Point2D.equals​(Object obj)
    Determines whether or not two points are equal.
    boolean Rectangle2D.equals​(Object obj)
    Determines whether or not the specified Object is equal to this Rectangle2D.
    boolean RoundRectangle2D.equals​(Object obj)
    Determines whether or not the specified Object is equal to this RoundRectangle2D.
  • Uses of Object in java.awt.im

    Subclasses of Object in java.awt.im
    Modifier and Type Class Description
    class  InputContext
    Provides methods to control text input facilities such as input methods and keyboard layouts.
    class  InputMethodHighlight
    An InputMethodHighlight is used to describe the highlight attributes of text being composed.
    class  InputSubset
    Defines additional Unicode subsets for use by input methods.
    Methods in java.awt.im that return Object
    Modifier and Type Method Description
    Object InputContext.getInputMethodControlObject()
    Returns a control object from the current input method, or null.
  • Uses of Object in java.awt.im.spi

    Methods in java.awt.im.spi that return Object
    Modifier and Type Method Description
    Object InputMethod.getControlObject()
    Returns a control object from this input method, or null.
  • Uses of Object in java.awt.image

    Subclasses of Object in java.awt.image
    Modifier and Type Class Description
    class  AbstractMultiResolutionImage
    This class provides default implementations of several Image methods for classes that want to implement the MultiResolutionImage interface.
    class  AffineTransformOp
    This class uses an affine transform to perform a linear mapping from 2D coordinates in the source image or Raster to 2D coordinates in the destination image or Raster.
    class  AreaAveragingScaleFilter
    An ImageFilter class for scaling images using a simple area averaging algorithm that produces smoother results than the nearest neighbor algorithm.
    class  BandCombineOp
    This class performs an arbitrary linear combination of the bands in a Raster, using a specified matrix.
    class  BandedSampleModel
    This class represents image data which is stored in a band interleaved fashion and for which each sample of a pixel occupies one data element of the DataBuffer.
    class  BaseMultiResolutionImage
    This class is an array-based implementation of the AbstractMultiResolutionImage class.
    class  BufferedImage
    The BufferedImage subclass describes an Image with an accessible buffer of image data.
    class  BufferedImageFilter
    The BufferedImageFilter class subclasses an ImageFilter to provide a simple means of using a single-source/single-destination image operator (BufferedImageOp) to filter a BufferedImage in the Image Producer/Consumer/Observer paradigm.
    class  BufferStrategy
    The BufferStrategy class represents the mechanism with which to organize complex memory on a particular Canvas or Window.
    class  ByteLookupTable
    This class defines a lookup table object.
    class  ColorConvertOp
    This class performs a pixel-by-pixel color conversion of the data in the source image.
    class  ColorModel
    The ColorModel abstract class encapsulates the methods for translating a pixel value to color components (for example, red, green, and blue) and an alpha component.
    class  ComponentColorModel
    A ColorModel class that works with pixel values that represent color and alpha information as separate samples and that store each sample in a separate data element.
    class  ComponentSampleModel
    This class represents image data which is stored such that each sample of a pixel occupies one data element of the DataBuffer.
    class  ConvolveOp
    This class implements a convolution from the source to the destination.
    class  CropImageFilter
    An ImageFilter class for cropping images.
    class  DataBuffer
    This class exists to wrap one or more data arrays.
    class  DataBufferByte
    This class extends DataBuffer and stores data internally as bytes.
    class  DataBufferDouble
    This class extends DataBuffer and stores data internally in double form.
    class  DataBufferFloat
    This class extends DataBuffer and stores data internally in float form.
    class  DataBufferInt
    This class extends DataBuffer and stores data internally as integers.
    class  DataBufferShort
    This class extends DataBuffer and stores data internally as shorts.
    class  DataBufferUShort
    This class extends DataBuffer and stores data internally as shorts.
    class  DirectColorModel
    The DirectColorModel class is a ColorModel class that works with pixel values that represent RGB color and alpha information as separate samples and that pack all samples for a single pixel into a single int, short, or byte quantity.
    class  FilteredImageSource
    This class is an implementation of the ImageProducer interface which takes an existing image and a filter object and uses them to produce image data for a new filtered version of the original image.
    class  ImageFilter
    This class implements a filter for the set of interface methods that are used to deliver data from an ImageProducer to an ImageConsumer.
    class  ImagingOpException
    The ImagingOpException is thrown if one of the BufferedImageOp or RasterOp filter methods cannot process the image.
    class  IndexColorModel
    The IndexColorModel class is a ColorModel class that works with pixel values consisting of a single sample that is an index into a fixed colormap in the default sRGB color space.
    class  Kernel
    The Kernel class defines a matrix that describes how a specified pixel and its surrounding pixels affect the value computed for the pixel's position in the output image of a filtering operation.
    class  LookupOp
    This class implements a lookup operation from the source to the destination.
    class  LookupTable
    This abstract class defines a lookup table object.
    class  MemoryImageSource
    This class is an implementation of the ImageProducer interface which uses an array to produce pixel values for an Image.
    class  MultiPixelPackedSampleModel
    The MultiPixelPackedSampleModel class represents one-banded images and can pack multiple one-sample pixels into one data element.
    class  PackedColorModel
    The PackedColorModel class is an abstract ColorModel class that works with pixel values which represent color and alpha information as separate samples and which pack all samples for a single pixel into a single int, short, or byte quantity.
    class  PixelGrabber
    The PixelGrabber class implements an ImageConsumer which can be attached to an Image or ImageProducer object to retrieve a subset of the pixels in that image.
    class  PixelInterleavedSampleModel
    This class represents image data which is stored in a pixel interleaved fashion and for which each sample of a pixel occupies one data element of the DataBuffer.
    class  Raster
    A class representing a rectangular array of pixels.
    class  RasterFormatException
    The RasterFormatException is thrown if there is invalid layout information in the Raster.
    class  ReplicateScaleFilter
    An ImageFilter class for scaling images using the simplest algorithm.
    class  RescaleOp
    This class performs a pixel-by-pixel rescaling of the data in the source image by multiplying the sample values for each pixel by a scale factor and then adding an offset.
    class  RGBImageFilter
    This class provides an easy way to create an ImageFilter which modifies the pixels of an image in the default RGB ColorModel.
    class  SampleModel
    This abstract class defines an interface for extracting samples of pixels in an image.
    class  ShortLookupTable
    This class defines a lookup table object.
    class  SinglePixelPackedSampleModel
    This class represents pixel data packed such that the N samples which make up a single pixel are stored in a single data array element, and each data data array element holds samples for only one pixel.
    class  VolatileImage
    VolatileImage is an image which can lose its contents at any time due to circumstances beyond the control of the application (e.g., situations caused by the operating system or by other applications).
    class  WritableRaster
    This class extends Raster to provide pixel writing capabilities.
    Fields in java.awt.image declared as Object
    Modifier and Type Field Description
    protected Object ReplicateScaleFilter.outpixbuf
    A byte array initialized with a size of ReplicateScaleFilter.destWidth and used to deliver a row of pixel data to the ImageConsumer.
    Methods in java.awt.image that return Object
    Modifier and Type Method Description
    Object ImageFilter.clone()
    Clones this object.
    Object Kernel.clone()
    Clones this object.
    Object BandedSampleModel.getDataElements​(int x, int y, Object obj, DataBuffer data)
    Returns data for a single pixel in a primitive array of type TransferType.
    Object ColorModel.getDataElements​(float[] normComponents, int normOffset, Object obj)
    Returns a data element array representation of a pixel in this ColorModel, given an array of normalized color/alpha components.
    Object ColorModel.getDataElements​(int[] components, int offset, Object obj)
    Returns a data element array representation of a pixel in this ColorModel, given an array of unnormalized color/alpha components.
    Object ColorModel.getDataElements​(int rgb, Object pixel)
    Returns a data element array representation of a pixel in this ColorModel, given an integer pixel representation in the default RGB color model.
    Object ComponentColorModel.getDataElements​(float[] normComponents, int normOffset, Object obj)
    Returns a data element array representation of a pixel in this ColorModel, given an array of normalized color/alpha components.
    Object ComponentColorModel.getDataElements​(int[] components, int offset, Object obj)
    Returns a data element array representation of a pixel in this ColorModel, given an array of unnormalized color/alpha components.
    Object ComponentColorModel.getDataElements​(int rgb, Object pixel)
    Returns a data element array representation of a pixel in this ColorModel, given an integer pixel representation in the default RGB color model.
    Object ComponentSampleModel.getDataElements​(int x, int y, Object obj, DataBuffer data)
    Returns data for a single pixel in a primitive array of type TransferType.
    Object DirectColorModel.getDataElements​(int[] components, int offset, Object obj)
    Returns a data element array representation of a pixel in this ColorModel, given an array of unnormalized color/alpha components.
    Object DirectColorModel.getDataElements​(int rgb, Object pixel)
    Returns a data element array representation of a pixel in this ColorModel, given an integer pixel representation in the default RGB color model.
    Object IndexColorModel.getDataElements​(int[] components, int offset, Object pixel)
    Returns a data element array representation of a pixel in this ColorModel given an array of unnormalized color/alpha components.
    Object IndexColorModel.getDataElements​(int rgb, Object pixel)
    Returns a data element array representation of a pixel in this ColorModel, given an integer pixel representation in the default RGB color model.
    Object MultiPixelPackedSampleModel.getDataElements​(int x, int y, Object obj, DataBuffer data)
    Returns data for a single pixel in a primitive array of type TransferType.
    Object Raster.getDataElements​(int x, int y, int w, int h, Object outData)
    Returns the pixel data for the specified rectangle of pixels in a primitive array of type TransferType.
    Object Raster.getDataElements​(int x, int y, Object outData)
    Returns data for a single pixel in a primitive array of type TransferType.
    Object SampleModel.getDataElements​(int x, int y, int w, int h, Object obj, DataBuffer data)
    Returns the pixel data for the specified rectangle of pixels in a primitive array of type TransferType.
    abstract Object SampleModel.getDataElements​(int x, int y, Object obj, DataBuffer data)
    Returns data for a single pixel in a primitive array of type TransferType.
    Object SinglePixelPackedSampleModel.getDataElements​(int x, int y, Object obj, DataBuffer data)
    Returns data for a single pixel in a primitive array of type TransferType.
    Object PixelGrabber.getPixels()
    Get the pixel buffer.
    Object AbstractMultiResolutionImage.getProperty​(String name, ImageObserver observer)
    This method simply delegates to the same method on the base image and it is equivalent to: getBaseImage().getProperty(name, observer).
    Object BufferedImage.getProperty​(String name)
    Returns a property of the image by name.
    Object BufferedImage.getProperty​(String name, ImageObserver observer)
    Returns a property of the image by name.
    Object RenderedImage.getProperty​(String name)
    Gets a property from the property set of this image.
    Methods in java.awt.image with parameters of type Object
    Modifier and Type Method Description
    boolean ColorModel.equals​(Object obj)
    This method simply delegates to the default implementation in Object which is identical to an == test since this class cannot enforce the issues of a proper equality test among multiple independent subclass branches.
    boolean ComponentColorModel.equals​(Object obj)
    Tests if the specified Object is an instance of ComponentColorModel and equals this ComponentColorModel.
    boolean IndexColorModel.equals​(Object obj)
    Tests if the specified Object is an instance of IndexColorModel and if it equals this IndexColorModel
    boolean PackedColorModel.equals​(Object obj)
    Tests if the specified Object is an instance of PackedColorModel and equals this PackedColorModel.
    int ColorModel.getAlpha​(Object inData)
    Returns the alpha component for the specified pixel, scaled from 0 to 255.
    int ComponentColorModel.getAlpha​(Object inData)
    Returns the alpha component for the specified pixel, scaled from 0 to 255.
    int DirectColorModel.getAlpha​(Object inData)
    Returns the alpha component for the specified pixel, scaled from 0 to 255.
    int ColorModel.getBlue​(Object inData)
    Returns the blue color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
    int ComponentColorModel.getBlue​(Object inData)
    Returns the blue color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
    int DirectColorModel.getBlue​(Object inData)
    Returns the blue color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
    int[] ColorModel.getComponents​(Object pixel, int[] components, int offset)
    Returns an array of unnormalized color/alpha components given a pixel in this ColorModel.
    int[] ComponentColorModel.getComponents​(Object pixel, int[] components, int offset)
    Returns an array of unnormalized color/alpha components given a pixel in this ColorModel.
    int[] DirectColorModel.getComponents​(Object pixel, int[] components, int offset)
    Returns an array of unnormalized color/alpha components given a pixel in this ColorModel.
    int[] IndexColorModel.getComponents​(Object pixel, int[] components, int offset)
    Returns an array of unnormalized color/alpha components for a specified pixel in this ColorModel.
    Object BandedSampleModel.getDataElements​(int x, int y, Object obj, DataBuffer data)
    Returns data for a single pixel in a primitive array of type TransferType.
    Object ColorModel.getDataElements​(float[] normComponents, int normOffset, Object obj)
    Returns a data element array representation of a pixel in this ColorModel, given an array of normalized color/alpha components.
    Object ColorModel.getDataElements​(int[] components, int offset, Object obj)
    Returns a data element array representation of a pixel in this ColorModel, given an array of unnormalized color/alpha components.
    Object ColorModel.getDataElements​(int rgb, Object pixel)
    Returns a data element array representation of a pixel in this ColorModel, given an integer pixel representation in the default RGB color model.
    Object ComponentColorModel.getDataElements​(float[] normComponents, int normOffset, Object obj)
    Returns a data element array representation of a pixel in this ColorModel, given an array of normalized color/alpha components.
    Object ComponentColorModel.getDataElements​(int[] components, int offset, Object obj)
    Returns a data element array representation of a pixel in this ColorModel, given an array of unnormalized color/alpha components.
    Object ComponentColorModel.getDataElements​(int rgb, Object pixel)
    Returns a data element array representation of a pixel in this ColorModel, given an integer pixel representation in the default RGB color model.
    Object ComponentSampleModel.getDataElements​(int x, int y, Object obj, DataBuffer data)
    Returns data for a single pixel in a primitive array of type TransferType.
    Object DirectColorModel.getDataElements​(int[] components, int offset, Object obj)
    Returns a data element array representation of a pixel in this ColorModel, given an array of unnormalized color/alpha components.
    Object DirectColorModel.getDataElements​(int rgb, Object pixel)
    Returns a data element array representation of a pixel in this ColorModel, given an integer pixel representation in the default RGB color model.
    Object IndexColorModel.getDataElements​(int[] components, int offset, Object pixel)
    Returns a data element array representation of a pixel in this ColorModel given an array of unnormalized color/alpha components.
    Object IndexColorModel.getDataElements​(int rgb, Object pixel)
    Returns a data element array representation of a pixel in this ColorModel, given an integer pixel representation in the default RGB color model.
    Object MultiPixelPackedSampleModel.getDataElements​(int x, int y, Object obj, DataBuffer data)
    Returns data for a single pixel in a primitive array of type TransferType.
    Object Raster.getDataElements​(int x, int y, int w, int h, Object outData)
    Returns the pixel data for the specified rectangle of pixels in a primitive array of type TransferType.
    Object Raster.getDataElements​(int x, int y, Object outData)
    Returns data for a single pixel in a primitive array of type TransferType.
    Object SampleModel.getDataElements​(int x, int y, int w, int h, Object obj, DataBuffer data)
    Returns the pixel data for the specified rectangle of pixels in a primitive array of type TransferType.
    abstract Object SampleModel.getDataElements​(int x, int y, Object obj, DataBuffer data)
    Returns data for a single pixel in a primitive array of type TransferType.
    Object SinglePixelPackedSampleModel.getDataElements​(int x, int y, Object obj, DataBuffer data)
    Returns data for a single pixel in a primitive array of type TransferType.
    int ColorModel.getGreen​(Object inData)
    Returns the green color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
    int ComponentColorModel.getGreen​(Object inData)
    Returns the green color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
    int DirectColorModel.getGreen​(Object inData)
    Returns the green color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
    float[] ColorModel.getNormalizedComponents​(Object pixel, float[] normComponents, int normOffset)
    Returns an array of all of the color/alpha components in normalized form, given a pixel in this ColorModel.
    float[] ComponentColorModel.getNormalizedComponents​(Object pixel, float[] normComponents, int normOffset)
    Returns an array of all of the color/alpha components in normalized form, given a pixel in this ColorModel.
    int ColorModel.getRed​(Object inData)
    Returns the red color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
    int ComponentColorModel.getRed​(Object inData)
    Returns the red color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
    int DirectColorModel.getRed​(Object inData)
    Returns the red color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
    int ColorModel.getRGB​(Object inData)
    Returns the color/alpha components for the specified pixel in the default RGB color model format.
    int ComponentColorModel.getRGB​(Object inData)
    Returns the color/alpha components for the specified pixel in the default RGB color model format.
    int DirectColorModel.getRGB​(Object inData)
    Returns the color/alpha components for the specified pixel in the default RGB color model format.
    void BandedSampleModel.setDataElements​(int x, int y, Object obj, DataBuffer data)
    Sets the data for a single pixel in the specified DataBuffer from a primitive array of type TransferType.
    void ComponentSampleModel.setDataElements​(int x, int y, Object obj, DataBuffer data)
    Sets the data for a single pixel in the specified DataBuffer from a primitive array of type TransferType.
    void MultiPixelPackedSampleModel.setDataElements​(int x, int y, Object obj, DataBuffer data)
    Sets the data for a single pixel in the specified DataBuffer from a primitive array of type TransferType.
    void SampleModel.setDataElements​(int x, int y, int w, int h, Object obj, DataBuffer data)
    Sets the data for a rectangle of pixels in the specified DataBuffer from a primitive array of type TransferType.
    abstract void SampleModel.setDataElements​(int x, int y, Object obj, DataBuffer data)
    Sets the data for a single pixel in the specified DataBuffer from a primitive array of type TransferType.
    void SinglePixelPackedSampleModel.setDataElements​(int x, int y, Object obj, DataBuffer data)
    Sets the data for a single pixel in the specified DataBuffer from a primitive array of type TransferType.
    void WritableRaster.setDataElements​(int x, int y, int w, int h, Object inData)
    Sets the data for a rectangle of pixels from a primitive array of type TransferType.
    void WritableRaster.setDataElements​(int x, int y, Object inData)
    Sets the data for a single pixel from a primitive array of type TransferType.
  • Uses of Object in java.awt.image.renderable

    Subclasses of Object in java.awt.image.renderable
    Modifier and Type Class Description
    class  ParameterBlock
    A ParameterBlock encapsulates all the information about sources and parameters (Objects) required by a RenderableImageOp, or other classes that process images.
    class  RenderableImageOp
    This class handles the renderable aspects of an operation with help from its associated instance of a ContextualRenderedImageFactory.
    class  RenderableImageProducer
    An adapter class that implements ImageProducer to allow the asynchronous production of a RenderableImage.
    class  RenderContext
    A RenderContext encapsulates the information needed to produce a specific rendering from a RenderableImage.
    Fields in java.awt.image.renderable with type parameters of type Object
    Modifier and Type Field Description
    protected Vector<Object> ParameterBlock.parameters
    A Vector of non-source parameters, stored as arbitrary Objects.
    protected Vector<Object> ParameterBlock.sources
    A Vector of sources, stored as arbitrary Objects.
    Methods in java.awt.image.renderable that return Object
    Modifier and Type Method Description
    Object ParameterBlock.clone()
    Creates a copy of a ParameterBlock.
    Object RenderContext.clone()
    Makes a copy of a RenderContext.
    Object ParameterBlock.getObjectParameter​(int index)
    Gets a parameter as an object.
    Object ContextualRenderedImageFactory.getProperty​(ParameterBlock paramBlock, String name)
    Gets the appropriate instance of the property specified by the name parameter.
    Object RenderableImage.getProperty​(String name)
    Gets a property from the property set of this image.
    Object RenderableImageOp.getProperty​(String name)
    Gets a property from the property set of this image.
    Object ParameterBlock.getSource​(int index)
    Returns a source as a general Object.
    Object ParameterBlock.shallowClone()
    Creates a shallow copy of a ParameterBlock.
    Methods in java.awt.image.renderable that return types with arguments of type Object
    Modifier and Type Method Description
    Vector<Object> ParameterBlock.getParameters()
    Returns the entire Vector of parameters.
    Vector<Object> ParameterBlock.getSources()
    Returns the entire Vector of sources.
    Methods in java.awt.image.renderable with parameters of type Object
    Modifier and Type Method Description
    ParameterBlock ParameterBlock.add​(Object obj)
    Adds an object to the list of parameters.
    ParameterBlock ParameterBlock.addSource​(Object source)
    Adds an image to end of the list of sources.
    ParameterBlock ParameterBlock.set​(Object obj, int index)
    Replaces an Object in the list of parameters.
    ParameterBlock ParameterBlock.setSource​(Object source, int index)
    Replaces an entry in the list of source with a new source.
    Method parameters in java.awt.image.renderable with type arguments of type Object
    Modifier and Type Method Description
    void ParameterBlock.setParameters​(Vector<Object> parameters)
    Sets the entire Vector of parameters to a given Vector.
    void ParameterBlock.setSources​(Vector<Object> sources)
    Sets the entire Vector of sources to a given Vector.
    Constructor parameters in java.awt.image.renderable with type arguments of type Object
    Constructor Description
    ParameterBlock​(Vector<Object> sources)
    Constructs a ParameterBlock with a given Vector of sources.
    ParameterBlock​(Vector<Object> sources, Vector<Object> parameters)
    Constructs a ParameterBlock with a given Vector of sources and Vector of parameters.
  • Uses of Object in java.awt.print

    Subclasses of Object in java.awt.print
    Modifier and Type Class Description
    class  Book
    The Book class provides a representation of a document in which pages may have different page formats and page painters.
    class  PageFormat
    The PageFormat class describes the size and orientation of a page to be printed.
    class  Paper
    The Paper class describes the physical characteristics of a piece of paper.
    class  PrinterAbortException
    The PrinterAbortException class is a subclass of PrinterException and is used to indicate that a user or application has terminated the print job while it was in the process of printing.
    class  PrinterException
    The PrinterException class and its subclasses are used to indicate that an exceptional condition has occurred in the print system.
    class  PrinterIOException
    The PrinterIOException class is a subclass of PrinterException and is used to indicate that an IO error of some sort has occurred while printing.
    class  PrinterJob
    The PrinterJob class is the principal class that controls printing.
    Methods in java.awt.print that return Object
    Modifier and Type Method Description
    Object PageFormat.clone()
    Makes a copy of this PageFormat with the same contents as this PageFormat.
    Object Paper.clone()
    Creates a copy of this Paper with the same contents as this Paper.
  • Uses of Object in java.beans

    Subclasses of Object in java.beans
    Modifier and Type Class Description
    class  BeanDescriptor
    A BeanDescriptor provides global information about a "bean", including its Java class, its displayName, etc.
    class  Beans
    This class provides some general purpose beans control methods.
    class  DefaultPersistenceDelegate
    The DefaultPersistenceDelegate is a concrete implementation of the abstract PersistenceDelegate class and is the delegate used by default for classes about which no information is available.
    class  Encoder
    An Encoder is a class which can be used to create files or streams that encode the state of a collection of JavaBeans in terms of their public APIs.
    class  EventHandler
    The EventHandler class provides support for dynamically generating event listeners whose methods execute a simple statement involving an incoming event object and a target object.
    class  EventSetDescriptor
    An EventSetDescriptor describes a group of events that a given Java bean fires.
    class  Expression
    An Expression object represents a primitive expression in which a single method is applied to a target and a set of arguments to return a result - as in "a.getFoo()".
    class  FeatureDescriptor
    The FeatureDescriptor class is the common baseclass for PropertyDescriptor, EventSetDescriptor, and MethodDescriptor, etc.
    class  IndexedPropertyChangeEvent
    An "IndexedPropertyChange" event gets delivered whenever a component that conforms to the JavaBeans specification (a "bean") changes a bound indexed property.
    class  IndexedPropertyDescriptor
    An IndexedPropertyDescriptor describes a property that acts like an array and has an indexed read and/or indexed write method to access specific elements of the array.
    class  IntrospectionException
    Thrown when an exception happens during Introspection.
    class  Introspector
    The Introspector class provides a standard way for tools to learn about the properties, events, and methods supported by a target Java Bean.
    class  MethodDescriptor
    A MethodDescriptor describes a particular method that a Java Bean supports for external access from other components.
    class  ParameterDescriptor
    The ParameterDescriptor class allows bean implementors to provide additional information on each of their parameters, beyond the low level type information provided by the java.lang.reflect.Method class.
    class  PersistenceDelegate
    The PersistenceDelegate class takes the responsibility for expressing the state of an instance of a given class in terms of the methods in the class's public API.
    class  PropertyChangeEvent
    A "PropertyChange" event gets delivered whenever a bean changes a "bound" or "constrained" property.
    class  PropertyChangeListenerProxy
    A class which extends the EventListenerProxy specifically for adding a PropertyChangeListener with a "bound" property.
    class  PropertyChangeSupport
    This is a utility class that can be used by beans that support bound properties.
    class  PropertyDescriptor
    A PropertyDescriptor describes one property that a Java Bean exports via a pair of accessor methods.
    class  PropertyEditorManager
    The PropertyEditorManager can be used to locate a property editor for any given type name.
    class  PropertyEditorSupport
    This is a support class to help build property editors.
    class  PropertyVetoException
    A PropertyVetoException is thrown when a proposed change to a property represents an unacceptable value.
    class  SimpleBeanInfo
    This is a support class to make it easier for people to provide BeanInfo classes.
    class  Statement
    A Statement object represents a primitive statement in which a single method is applied to a target and a set of arguments - as in "a.setFoo(b)".
    class  VetoableChangeListenerProxy
    A class which extends the EventListenerProxy specifically for adding a VetoableChangeListener with a "constrained" property.
    class  VetoableChangeSupport
    This is a utility class that can be used by beans that support constrained properties.
    class  XMLDecoder
    The XMLDecoder class is used to read XML documents created using the XMLEncoder and is used just like the ObjectInputStream.
    class  XMLEncoder
    The XMLEncoder class is a complementary alternative to the ObjectOutputStream and can used to generate a textual representation of a JavaBean in the same way that the ObjectOutputStream can be used to create binary representation of Serializable objects.
    Methods in java.beans that return Object
    Modifier and Type Method Description
    Object Encoder.get​(Object oldInstance)
    Returns a tentative value for oldInstance in the environment created by this stream.
    Object[] Statement.getArguments()
    Returns the arguments for the method to invoke.
    static Object Beans.getInstanceOf​(Object bean, Class<?> targetType)
    From a given bean, obtain an object representing a specified type view of that source object.
    Object PropertyChangeEvent.getNewValue()
    Gets the new value for the property, expressed as an Object.
    Object PropertyChangeEvent.getOldValue()
    Gets the old value for the property, expressed as an Object.
    Object XMLDecoder.getOwner()
    Gets the owner of this decoder.
    Object XMLEncoder.getOwner()
    Gets the owner of this encoder.
    Object PropertyChangeEvent.getPropagationId()
    The "propagationId" field is reserved for future use.
    Object PropertyEditorSupport.getSource()
    Returns the bean that is used as the source of events.
    Object EventHandler.getTarget()
    Returns the object to which this event handler will send a message.
    Object Statement.getTarget()
    Returns the target object of this statement.
    Object Expression.getValue()
    If the value property of this instance is not already set, this method dynamically finds the method with the specified methodName on this target with these arguments and calls it.
    Object FeatureDescriptor.getValue​(String attributeName)
    Retrieve a named attribute with this feature.
    Object PropertyEditor.getValue()
    Gets the property value.
    Object PropertyEditorSupport.getValue()
    Gets the value of the property.
    static Object Beans.instantiate​(ClassLoader cls, String beanName)
    Instantiate a JavaBean.
    static Object Beans.instantiate​(ClassLoader cls, String beanName, BeanContext beanContext)
    Instantiate a JavaBean.
    static Object Beans.instantiate​(ClassLoader cls, String beanName, BeanContext beanContext, AppletInitializer initializer)
    Deprecated.
    It is recommended to use Beans.instantiate(ClassLoader, String, BeanContext), because the Applet API is deprecated.
    Object EventHandler.invoke​(Object proxy, Method method, Object[] arguments)
    Extract the appropriate property value from the event and pass it to the action associated with this EventHandler.
    Object XMLDecoder.readObject()
    Reads the next object from the underlying input stream.
    Object Encoder.remove​(Object oldInstance)
    Removes the entry for this instance, returning the old entry.
    Methods in java.beans with parameters of type Object
    Modifier and Type Method Description
    static <T> T EventHandler.create​(Class<T> listenerInterface, Object target, String action)
    Creates an implementation of listenerInterface in which all of the methods in the listener interface apply the handler's action to the target.
    static <T> T EventHandler.create​(Class<T> listenerInterface, Object target, String action, String eventPropertyName)
    /** Creates an implementation of listenerInterface in which all of the methods pass the value of the event expression, eventPropertyName, to the final method in the statement, action, which is applied to the target.
    static <T> T EventHandler.create​(Class<T> listenerInterface, Object target, String action, String eventPropertyName, String listenerMethodName)
    Creates an implementation of listenerInterface in which the method named listenerMethodName passes the value of the event expression, eventPropertyName, to the final method in the statement, action, which is applied to the target.
    static DefaultHandler XMLDecoder.createHandler​(Object owner, ExceptionListener el, ClassLoader cl)
    Creates a new handler for SAX parser that can be used to parse embedded XML archives created by the XMLEncoder class.
    PropertyEditor PropertyDescriptor.createPropertyEditor​(Object bean)
    Constructs an instance of a property editor using the current property editor class.
    boolean IndexedPropertyDescriptor.equals​(Object obj)
    Compares this PropertyDescriptor against the specified object.
    boolean PropertyDescriptor.equals​(Object obj)
    Compares this PropertyDescriptor against the specified object.
    void PropertyChangeSupport.fireIndexedPropertyChange​(String propertyName, int index, Object oldValue, Object newValue)
    Reports a bound indexed property update to listeners that have been registered to track updates of all properties or a property with the specified name.
    void PropertyChangeSupport.firePropertyChange​(String propertyName, Object oldValue, Object newValue)
    Reports a bound property update to listeners that have been registered to track updates of all properties or a property with the specified name.
    void VetoableChangeSupport.fireVetoableChange​(String propertyName, Object oldValue, Object newValue)
    Reports a constrained property update to listeners that have been registered to track updates of all properties or a property with the specified name.
    Object Encoder.get​(Object oldInstance)
    Returns a tentative value for oldInstance in the environment created by this stream.
    static Object Beans.getInstanceOf​(Object bean, Class<?> targetType)
    From a given bean, obtain an object representing a specified type view of that source object.
    protected void DefaultPersistenceDelegate.initialize​(Class<?> type, Object oldInstance, Object newInstance, Encoder out)
    This default implementation of the initialize method assumes all state held in objects of this type is exposed via the matching pairs of "setter" and "getter" methods in the order they are returned by the Introspector.
    protected void PersistenceDelegate.initialize​(Class<?> type, Object oldInstance, Object newInstance, Encoder out)
    Produce a series of statements with side effects on newInstance so that the new instance becomes equivalent to oldInstance.
    protected Expression DefaultPersistenceDelegate.instantiate​(Object oldInstance, Encoder out)
    This default implementation of the instantiate method returns an expression containing the predefined method name "new" which denotes a call to a constructor with the arguments as specified in the DefaultPersistenceDelegate's constructor.
    protected abstract Expression PersistenceDelegate.instantiate​(Object oldInstance, Encoder out)
    Returns an expression whose value is oldInstance.
    Object EventHandler.invoke​(Object proxy, Method method, Object[] arguments)
    Extract the appropriate property value from the event and pass it to the action associated with this EventHandler.
    static boolean Beans.isInstanceOf​(Object bean, Class<?> targetType)
    Check if a bean can be viewed as a given target type.
    protected boolean DefaultPersistenceDelegate.mutatesTo​(Object oldInstance, Object newInstance)
    If the number of arguments in the specified constructor is non-zero and the class of oldInstance explicitly declares an "equals" method this method returns the value of oldInstance.equals(newInstance).
    protected boolean PersistenceDelegate.mutatesTo​(Object oldInstance, Object newInstance)
    Returns true if an equivalent copy of oldInstance may be created by applying a series of statements to newInstance.
    Object Encoder.remove​(Object oldInstance)
    Removes the entry for this instance, returning the old entry.
    void Customizer.setObject​(Object bean)
    Set the object to be customized.
    void XMLDecoder.setOwner​(Object owner)
    Sets the owner of this decoder to owner.
    void XMLEncoder.setOwner​(Object owner)
    Sets the owner of this encoder to owner.
    void PropertyChangeEvent.setPropagationId​(Object propagationId)
    Sets the propagationId object for the event.
    void PropertyEditorSupport.setSource​(Object source)
    Sets the source bean.
    void Expression.setValue​(Object value)
    Sets the value of this expression to value.
    void FeatureDescriptor.setValue​(String attributeName, Object value)
    Associate a named attribute with this feature.
    void PropertyEditor.setValue​(Object value)
    Set (or change) the object that is to be edited.
    void PropertyEditorSupport.setValue​(Object value)
    Set (or change) the object that is to be edited.
    protected void Encoder.writeObject​(Object o)
    Write the specified object to the output stream.
    void PersistenceDelegate.writeObject​(Object oldInstance, Encoder out)
    The writeObject is a single entry point to the persistence and is used by an Encoder in the traditional mode of delegation.
    void XMLEncoder.writeObject​(Object o)
    Write an XML representation of the specified object to the output.
    Constructors in java.beans with parameters of type Object
    Constructor Description
    EventHandler​(Object target, String action, String eventPropertyName, String listenerMethodName)
    Creates a new EventHandler object; you generally use one of the create methods instead of invoking this constructor directly.
    Expression​(Object value, Object target, String methodName, Object[] arguments)
    Creates a new Expression object with the specified value for the specified target object to invoke the method specified by the name and by the array of arguments.
    Expression​(Object target, String methodName, Object[] arguments)
    Creates a new Expression object for the specified target object to invoke the method specified by the name and by the array of arguments.
    IndexedPropertyChangeEvent​(Object source, String propertyName, Object oldValue, Object newValue, int index)
    Constructs a new IndexedPropertyChangeEvent object.
    PropertyChangeEvent​(Object source, String propertyName, Object oldValue, Object newValue)
    Constructs a new PropertyChangeEvent.
    PropertyChangeSupport​(Object sourceBean)
    Constructs a PropertyChangeSupport object.
    PropertyEditorSupport​(Object source)
    Constructs a PropertyEditorSupport object.
    Statement​(Object target, String methodName, Object[] arguments)
    Creates a new Statement object for the specified target object to invoke the method specified by the name and by the array of arguments.
    VetoableChangeSupport​(Object sourceBean)
    Constructs a VetoableChangeSupport object.
    XMLDecoder​(InputStream in, Object owner)
    Creates a new input stream for reading archives created by the XMLEncoder class.
    XMLDecoder​(InputStream in, Object owner, ExceptionListener exceptionListener)
    Creates a new input stream for reading archives created by the XMLEncoder class.
    XMLDecoder​(InputStream in, Object owner, ExceptionListener exceptionListener, ClassLoader cl)
    Creates a new input stream for reading archives created by the XMLEncoder class.
  • Uses of Object in java.beans.beancontext

    Subclasses of Object in java.beans.beancontext
    Modifier and Type Class Description
    class  BeanContextChildSupport
    This is a general support class to provide support for implementing the BeanContextChild protocol.
    class  BeanContextEvent
    BeanContextEvent is the abstract root event class for all events emitted from, and pertaining to the semantics of, a BeanContext.
    class  BeanContextMembershipEvent
    A BeanContextMembershipEvent encapsulates the list of children added to, or removed from, the membership of a particular BeanContext.
    class  BeanContextServiceAvailableEvent
    This event type is used by the BeanContextServicesListener in order to identify the service being registered.
    class  BeanContextServiceRevokedEvent
    This event type is used by the BeanContextServiceRevokedListener in order to identify the service being revoked.
    class  BeanContextServicesSupport
    This helper class provides a utility implementation of the java.beans.beancontext.BeanContextServices interface.
    protected class  BeanContextServicesSupport.BCSSChild  
    protected class  BeanContextServicesSupport.BCSSProxyServiceProvider  
    protected static class  BeanContextServicesSupport.BCSSServiceProvider
    subclasses may subclass this nested class to add behaviors for each BeanContextServicesProvider.
    class  BeanContextSupport
    This helper class provides a utility implementation of the java.beans.beancontext.BeanContext interface.
    protected class  BeanContextSupport.BCSChild  
    protected static class  BeanContextSupport.BCSIterator
    protected final subclass that encapsulates an iterator but implements a noop remove() method.
    Fields in java.beans.beancontext declared as Object
    Modifier and Type Field Description
    static Object BeanContext.globalHierarchyLock
    This global lock is used by both BeanContext and BeanContextServices implementors to serialize changes in a BeanContext hierarchy and any service requests etc.
    Fields in java.beans.beancontext with type parameters of type Object
    Modifier and Type Field Description
    protected HashMap<Object,​BeanContextSupport.BCSChild> BeanContextSupport.children
    all accesses to the protected HashMap children field shall be synchronized on that object.
    protected HashMap<Object,​BeanContextServicesSupport.BCSSServiceProvider> BeanContextServicesSupport.services
    all accesses to the protected transient HashMap services field should be synchronized on that object
    Methods in java.beans.beancontext that return Object
    Modifier and Type Method Description
    protected Object[] BeanContextSupport.copyChildren()
    Gets a copy of the this BeanContext's children.
    Object BeanContextServiceProvider.getService​(BeanContextServices bcs, Object requestor, Class<?> serviceClass, Object serviceSelector)
    Invoked by BeanContextServices, this method requests an instance of a service from this BeanContextServiceProvider.
    Object BeanContextServices.getService​(BeanContextChild child, Object requestor, Class<?> serviceClass, Object serviceSelector, BeanContextServiceRevokedListener bcsrl)
    A BeanContextChild, or any arbitrary object associated with a BeanContextChild, may obtain a reference to a currently registered service from its nesting BeanContextServices via invocation of this method.
    Object BeanContextServicesSupport.getService​(BeanContextChild child, Object requestor, Class<?> serviceClass, Object serviceSelector, BeanContextServiceRevokedListener bcsrl)
    obtain a service which may be delegated
    Object BeanContext.instantiateChild​(String beanName)
    Instantiate the javaBean named as a child of this BeanContext.
    Object BeanContextSupport.instantiateChild​(String beanName)
    The instantiateChild method is a convenience hook in BeanContext to simplify the task of instantiating a Bean, nested, into a BeanContext.
    Object[] BeanContextMembershipEvent.toArray()
    Gets the array of children affected by this event.
    Object[] BeanContextSupport.toArray()
    Gets all JavaBean or BeanContext instances currently nested in this BeanContext.
    Object[] BeanContextSupport.toArray​(Object[] arry)
    Gets an array containing all children of this BeanContext that match the types contained in arry.
    Methods in java.beans.beancontext that return types with arguments of type Object
    Modifier and Type Method Description
    Iterator<Object> BeanContextServicesSupport.getCurrentServiceClasses()  
    Iterator<Object> BeanContextSupport.iterator()
    Gets all JavaBean or BeanContext instances currently nested in this BeanContext.
    Methods in java.beans.beancontext with parameters of type Object
    Modifier and Type Method Description
    boolean BeanContextSupport.add​(Object targetChild)
    Adds/nests a child within this BeanContext.
    protected void BeanContextSupport.childDeserializedHook​(Object child, BeanContextSupport.BCSChild bcsc)
    Called by readObject with the newly deserialized child and BCSChild.
    protected void BeanContextSupport.childJustAddedHook​(Object child, BeanContextSupport.BCSChild bcsc)
    subclasses may override this method to simply extend add() semantics after the child has been added and before the event notification has occurred.
    protected void BeanContextServicesSupport.childJustRemovedHook​(Object child, BeanContextSupport.BCSChild bcsc)
    called from superclass child removal operations after a child has been successfully removed. called with child synchronized.
    protected void BeanContextSupport.childJustRemovedHook​(Object child, BeanContextSupport.BCSChild bcsc)
    subclasses may override this method to simply extend remove() semantics after the child has been removed and before the event notification has occurred.
    boolean BeanContextMembershipEvent.contains​(Object child)
    Is the child specified affected by the event?
    boolean BeanContextSupport.contains​(Object o)
    Determines whether or not the specified object is currently a child of this BeanContext.
    boolean BeanContextSupport.containsKey​(Object o)
    Determines whether or not the specified object is currently a child of this BeanContext.
    protected BeanContextSupport.BCSChild BeanContextServicesSupport.createBCSChild​(Object targetChild, Object peer)
    Subclasses can override this method to insert their own subclass of Child without having to override add() or the other Collection methods that add children to the set.
    protected BeanContextSupport.BCSChild BeanContextSupport.createBCSChild​(Object targetChild, Object peer)
    Subclasses can override this method to insert their own subclass of Child without having to override add() or the other Collection methods that add children to the set.
    void BeanContextChildSupport.firePropertyChange​(String name, Object oldValue, Object newValue)
    Report a bound property update to any registered listeners.
    void BeanContextChildSupport.fireVetoableChange​(String name, Object oldValue, Object newValue)
    Report a vetoable property update to any registered listeners.
    protected static BeanContextChild BeanContextSupport.getChildBeanContextChild​(Object child)
    Gets the BeanContextChild (if any) of the specified child
    protected static BeanContextMembershipListener BeanContextSupport.getChildBeanContextMembershipListener​(Object child)
    Gets the BeanContextMembershipListener (if any) of the specified child
    protected static BeanContextServicesListener BeanContextServicesSupport.getChildBeanContextServicesListener​(Object child)
    Gets the BeanContextServicesListener (if any) of the specified child.
    protected static PropertyChangeListener BeanContextSupport.getChildPropertyChangeListener​(Object child)
    Gets the PropertyChangeListener (if any) of the specified child
    protected static Serializable BeanContextSupport.getChildSerializable​(Object child)
    Gets the Serializable (if any) associated with the specified Child
    protected static VetoableChangeListener BeanContextSupport.getChildVetoableChangeListener​(Object child)
    Gets the VetoableChangeListener (if any) of the specified child
    protected static Visibility BeanContextSupport.getChildVisibility​(Object child)
    Gets the Component (if any) associated with the specified child.
    Object BeanContextServiceProvider.getService​(BeanContextServices bcs, Object requestor, Class<?> serviceClass, Object serviceSelector)
    Invoked by BeanContextServices, this method requests an instance of a service from this BeanContextServiceProvider.
    Object BeanContextServices.getService​(BeanContextChild child, Object requestor, Class<?> serviceClass, Object serviceSelector, BeanContextServiceRevokedListener bcsrl)
    A BeanContextChild, or any arbitrary object associated with a BeanContextChild, may obtain a reference to a currently registered service from its nesting BeanContextServices via invocation of this method.
    Object BeanContextServicesSupport.getService​(BeanContextChild child, Object requestor, Class<?> serviceClass, Object serviceSelector, BeanContextServiceRevokedListener bcsrl)
    obtain a service which may be delegated
    void BeanContextServiceProvider.releaseService​(BeanContextServices bcs, Object requestor, Object service)
    Invoked by BeanContextServices, this method releases a nested BeanContextChild's (or any arbitrary object associated with a BeanContextChild) reference to the specified service.
    void BeanContextServices.releaseService​(BeanContextChild child, Object requestor, Object service)
    Releases a BeanContextChild's (or any arbitrary object associated with a BeanContextChild) reference to the specified service by calling releaseService() on the underlying BeanContextServiceProvider.
    void BeanContextServicesSupport.releaseService​(BeanContextChild child, Object requestor, Object service)
    release a service
    boolean BeanContextSupport.remove​(Object targetChild)
    Removes a child from this BeanContext.
    protected boolean BeanContextSupport.remove​(Object targetChild, boolean callChildSetBC)
    internal remove used when removal caused by unexpected setBeanContext or by remove() invocation.
    Object[] BeanContextSupport.toArray​(Object[] arry)
    Gets an array containing all children of this BeanContext that match the types contained in arry.
    protected boolean BeanContextSupport.validatePendingAdd​(Object targetChild)
    Subclasses of this class may override, or envelope, this method to add validation behavior for the BeanContext to examine child objects immediately prior to their being added to the BeanContext.
    protected boolean BeanContextSupport.validatePendingRemove​(Object targetChild)
    Subclasses of this class may override, or envelope, this method to add validation behavior for the BeanContext to examine child objects immediately prior to their being removed from the BeanContext.
    Constructors in java.beans.beancontext with parameters of type Object
    Constructor Description
    BeanContextMembershipEvent​(BeanContext bc, Object[] changes)
    Contruct a BeanContextMembershipEvent
  • Uses of Object in java.io

    Subclasses of Object in java.io
    Modifier and Type Class Description
    class  BufferedInputStream
    A BufferedInputStream adds functionality to another input stream-namely, the ability to buffer the input and to support the mark and reset methods.
    class  BufferedOutputStream
    The class implements a buffered output stream.
    class  BufferedReader
    Reads text from a character-input stream, buffering characters so as to provide for the efficient reading of characters, arrays, and lines.
    class  BufferedWriter
    Writes text to a character-output stream, buffering characters so as to provide for the efficient writing of single characters, arrays, and strings.
    class  ByteArrayInputStream
    A ByteArrayInputStream contains an internal buffer that contains bytes that may be read from the stream.
    class  ByteArrayOutputStream
    This class implements an output stream in which the data is written into a byte array.
    class  CharArrayReader
    This class implements a character buffer that can be used as a character-input stream.
    class  CharArrayWriter
    This class implements a character buffer that can be used as an Writer.
    class  CharConversionException
    Base class for character conversion exceptions.
    class  Console
    Methods to access the character-based console device, if any, associated with the current Java virtual machine.
    class  DataInputStream
    A data input stream lets an application read primitive Java data types from an underlying input stream in a machine-independent way.
    class  DataOutputStream
    A data output stream lets an application write primitive Java data types to an output stream in a portable way.
    class  EOFException
    Signals that an end of file or end of stream has been reached unexpectedly during input.
    class  File
    An abstract representation of file and directory pathnames.
    class  FileDescriptor
    Instances of the file descriptor class serve as an opaque handle to the underlying machine-specific structure representing an open file, an open socket, or another source or sink of bytes.
    class  FileInputStream
    A FileInputStream obtains input bytes from a file in a file system.
    class  FileNotFoundException
    Signals that an attempt to open the file denoted by a specified pathname has failed.
    class  FileOutputStream
    A file output stream is an output stream for writing data to a File or to a FileDescriptor.
    class  FilePermission
    This class represents access to a file or directory.
    class  FileReader
    Reads text from character files using a default buffer size.
    class  FileWriter
    Writes text to character files using a default buffer size.
    class  FilterInputStream
    A FilterInputStream contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
    class  FilterOutputStream
    This class is the superclass of all classes that filter output streams.
    class  FilterReader
    Abstract class for reading filtered character streams.
    class  FilterWriter
    Abstract class for writing filtered character streams.
    class  InputStream
    This abstract class is the superclass of all classes representing an input stream of bytes.
    class  InputStreamReader
    An InputStreamReader is a bridge from byte streams to character streams: It reads bytes and decodes them into characters using a specified charset.
    class  InterruptedIOException
    Signals that an I/O operation has been interrupted.
    class  InvalidClassException
    Thrown when the Serialization runtime detects one of the following problems with a Class.
    class  InvalidObjectException
    Indicates that one or more deserialized objects failed validation tests.
    class  IOError
    Thrown when a serious I/O error has occurred.
    class  IOException
    Signals that an I/O exception of some sort has occurred.
    class  LineNumberInputStream
    Deprecated.
    This class incorrectly assumes that bytes adequately represent characters.
    class  LineNumberReader
    A buffered character-input stream that keeps track of line numbers.
    class  NotActiveException
    Thrown when serialization or deserialization is not active.
    class  NotSerializableException
    Thrown when an instance is required to have a Serializable interface.
    static class  ObjectInputFilter.Config
    A utility class to set and get the system-wide filter or create a filter from a pattern string.
    class  ObjectInputStream
    An ObjectInputStream deserializes primitive data and objects previously written using an ObjectOutputStream.
    static class  ObjectInputStream.GetField
    Provide access to the persistent fields read from the input stream.
    class  ObjectOutputStream
    An ObjectOutputStream writes primitive data types and graphs of Java objects to an OutputStream.
    static class  ObjectOutputStream.PutField
    Provide programmatic access to the persistent fields to be written to ObjectOutput.
    class  ObjectStreamClass
    Serialization's descriptor for classes.
    class  ObjectStreamException
    Superclass of all exceptions specific to Object Stream classes.
    class  ObjectStreamField
    A description of a Serializable field from a Serializable class.
    class  OptionalDataException
    Exception indicating the failure of an object read operation due to unread primitive data, or the end of data belonging to a serialized object in the stream.
    class  OutputStream
    This abstract class is the superclass of all classes representing an output stream of bytes.
    class  OutputStreamWriter
    An OutputStreamWriter is a bridge from character streams to byte streams: Characters written to it are encoded into bytes using a specified charset.
    class  PipedInputStream
    A piped input stream should be connected to a piped output stream; the piped input stream then provides whatever data bytes are written to the piped output stream.
    class  PipedOutputStream
    A piped output stream can be connected to a piped input stream to create a communications pipe.
    class  PipedReader
    Piped character-input streams.
    class  PipedWriter
    Piped character-output streams.
    class  PrintStream
    A PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
    class  PrintWriter
    Prints formatted representations of objects to a text-output stream.
    class  PushbackInputStream
    A PushbackInputStream adds functionality to another input stream, namely the ability to "push back" or "unread" bytes, by storing pushed-back bytes in an internal buffer.
    class  PushbackReader
    A character-stream reader that allows characters to be pushed back into the stream.
    class  RandomAccessFile
    Instances of this class support both reading and writing to a random access file.
    class  Reader
    Abstract class for reading character streams.
    class  SequenceInputStream
    A SequenceInputStream represents the logical concatenation of other input streams.
    class  SerializablePermission
    This class is for Serializable permissions.
    class  StreamCorruptedException
    Thrown when control information that was read from an object stream violates internal consistency checks.
    class  StreamTokenizer
    The StreamTokenizer class takes an input stream and parses it into "tokens", allowing the tokens to be read one at a time.
    class  StringBufferInputStream
    Deprecated.
    This class does not properly convert characters into bytes.
    class  StringReader
    A character stream whose source is a string.
    class  StringWriter
    A character stream that collects its output in a string buffer, which can then be used to construct a string.
    class  SyncFailedException
    Signals that a sync operation has failed.
    class  UncheckedIOException
    Wraps an IOException with an unchecked exception.
    class  UnsupportedEncodingException
    The Character Encoding is not supported.
    class  UTFDataFormatException
    Signals that a malformed string in modified UTF-8 format has been read in a data input stream or by any class that implements the data input interface.
    class  WriteAbortedException
    Signals that one of the ObjectStreamExceptions was thrown during a write operation.
    class  Writer
    Abstract class for writing to character streams.
    Fields in java.io declared as Object
    Modifier and Type Field Description
    protected Object Reader.lock
    The object used to synchronize operations on this stream.
    protected Object Writer.lock
    The object used to synchronize operations on this stream.
    Methods in java.io that return Object
    Modifier and Type Method Description
    abstract Object ObjectInputStream.GetField.get​(String name, Object val)
    Get the value of the named Object field from the persistent field.
    Object ObjectInput.readObject()
    Read and return an object.
    Object ObjectInputStream.readObject()
    Read an object from the ObjectInputStream.
    protected Object ObjectInputStream.readObjectOverride()
    This method is called by trusted subclasses of ObjectInputStream that constructed ObjectInputStream using the protected no-arg constructor.
    Object ObjectInputStream.readUnshared()
    Reads an "unshared" object from the ObjectInputStream.
    protected Object ObjectOutputStream.replaceObject​(Object obj)
    This method will allow trusted subclasses of ObjectOutputStream to substitute one object for another during serialization.
    protected Object ObjectInputStream.resolveObject​(Object obj)
    This method will allow trusted subclasses of ObjectInputStream to substitute one object for another during deserialization.
    Methods in java.io with parameters of type Object
    Modifier and Type Method Description
    int ObjectStreamField.compareTo​(Object obj)
    Compare this field with another ObjectStreamField.
    boolean File.equals​(Object obj)
    Tests this abstract pathname for equality with the given object.
    boolean FilePermission.equals​(Object obj)
    Checks two FilePermission objects for equality.
    Console Console.format​(String fmt, Object... args)
    Writes a formatted string to this console's output stream using the specified format string and arguments.
    PrintStream PrintStream.format​(String format, Object... args)
    Writes a formatted string to this output stream using the specified format string and arguments.
    PrintStream PrintStream.format​(Locale l, String format, Object... args)
    Writes a formatted string to this output stream using the specified format string and arguments.
    PrintWriter PrintWriter.format​(String format, Object... args)
    Writes a formatted string to this writer using the specified format string and arguments.
    PrintWriter PrintWriter.format​(Locale l, String format, Object... args)
    Writes a formatted string to this writer using the specified format string and arguments.
    abstract Object ObjectInputStream.GetField.get​(String name, Object val)
    Get the value of the named Object field from the persistent field.
    void PrintStream.print​(Object obj)
    Prints an object.
    void PrintWriter.print​(Object obj)
    Prints an object.
    Console Console.printf​(String format, Object... args)
    A convenience method to write a formatted string to this console's output stream using the specified format string and arguments.
    PrintStream PrintStream.printf​(String format, Object... args)
    A convenience method to write a formatted string to this output stream using the specified format string and arguments.
    PrintStream PrintStream.printf​(Locale l, String format, Object... args)
    A convenience method to write a formatted string to this output stream using the specified format string and arguments.
    PrintWriter PrintWriter.printf​(String format, Object... args)
    A convenience method to write a formatted string to this writer using the specified format string and arguments.
    PrintWriter PrintWriter.printf​(Locale l, String format, Object... args)
    A convenience method to write a formatted string to this writer using the specified format string and arguments.
    void PrintStream.println​(Object x)
    Prints an Object and then terminate the line.
    void PrintWriter.println​(Object x)
    Prints an Object and then terminates the line.
    abstract void ObjectOutputStream.PutField.put​(String name, Object val)
    Put the value of the named Object field into the persistent field.
    String Console.readLine​(String fmt, Object... args)
    Provides a formatted prompt, then reads a single line of text from the console.
    char[] Console.readPassword​(String fmt, Object... args)
    Provides a formatted prompt, then reads a password or passphrase from the console with echoing disabled.
    protected Object ObjectOutputStream.replaceObject​(Object obj)
    This method will allow trusted subclasses of ObjectOutputStream to substitute one object for another during serialization.
    protected Object ObjectInputStream.resolveObject​(Object obj)
    This method will allow trusted subclasses of ObjectInputStream to substitute one object for another during deserialization.
    void ObjectOutput.writeObject​(Object obj)
    Write an object to the underlying storage or stream.
    void ObjectOutputStream.writeObject​(Object obj)
    Write the specified object to the ObjectOutputStream.
    protected void ObjectOutputStream.writeObjectOverride​(Object obj)
    Method used by subclasses to override the default writeObject method.
    void ObjectOutputStream.writeUnshared​(Object obj)
    Writes an "unshared" object to the ObjectOutputStream.
    Constructors in java.io with parameters of type Object
    Constructor Description
    Reader​(Object lock)
    Creates a new character-stream reader whose critical sections will synchronize on the given object.
    Writer​(Object lock)
    Creates a new character-stream writer whose critical sections will synchronize on the given object.
  • Uses of Object in java.lang

    Subclasses of Object in java.lang
    Modifier and Type Class Description
    class  AbstractMethodError
    Thrown when an application tries to call an abstract method.
    class  ArithmeticException
    Thrown when an exceptional arithmetic condition has occurred.
    class  ArrayIndexOutOfBoundsException
    Thrown to indicate that an array has been accessed with an illegal index.
    class  ArrayStoreException
    Thrown to indicate that an attempt has been made to store the wrong type of object into an array of objects.
    class  AssertionError
    Thrown to indicate that an assertion has failed.
    class  Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    class  BootstrapMethodError
    Thrown to indicate that an invokedynamic instruction or a dynamic constant failed to resolve its bootstrap method and arguments, or for invokedynamic instruction the bootstrap method has failed to provide a call site with a target of the correct method type, or for a dynamic constant the bootstrap method has failed to provide a constant value of the required type.
    class  Byte
    The Byte class wraps a value of primitive type byte in an object.
    class  Character
    The Character class wraps a value of the primitive type char in an object.
    static class  Character.Subset
    Instances of this class represent particular subsets of the Unicode character set.
    static class  Character.UnicodeBlock
    A family of character subsets representing the character blocks in the Unicode specification.
    class  Class<T>
    Instances of the class Class represent classes and interfaces in a running Java application.
    class  ClassCastException
    Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance.
    class  ClassCircularityError
    Thrown when the Java Virtual Machine detects a circularity in the superclass hierarchy of a class being loaded.
    class  ClassFormatError
    Thrown when the Java Virtual Machine attempts to read a class file and determines that the file is malformed or otherwise cannot be interpreted as a class file.
    class  ClassLoader
    A class loader is an object that is responsible for loading classes.
    class  ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    class  ClassValue<T>
    Lazily associate a computed value with (potentially) every type.
    class  CloneNotSupportedException
    Thrown to indicate that the clone method in class Object has been called to clone an object, but that the object's class does not implement the Cloneable interface.
    class  Compiler
    Deprecated, for removal: This API element is subject to removal in a future version.
    JIT compilers and their technologies vary too widely to be controlled effectively by a standardized interface.
    class  Continuation
    TBD
    class  ContinuationScope
    A Continuation scope.
    class  Double
    The Double class wraps a value of the primitive type double in an object.
    class  Enum<E extends Enum<E>>
    This is the common base class of all Java language enumeration types.
    static class  Enum.EnumDesc<E extends Enum<E>>
    A nominal descriptor for an enum constant.
    class  EnumConstantNotPresentException
    Thrown when an application tries to access an enum constant by name and the enum type contains no constant with the specified name.
    class  Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
    class  Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    class  ExceptionInInitializerError
    Signals that an unexpected exception has occurred in a static initializer.
    class  Float
    The Float class wraps a value of primitive type float in an object.
    class  IllegalAccessError
    Thrown if an application attempts to access or modify a field, or to call a method that it does not have access to.
    class  IllegalAccessException
    An IllegalAccessException is thrown when an application tries to reflectively create an instance (other than an array), set or get a field, or invoke a method, but the currently executing method does not have access to the definition of the specified class, field, method or constructor.
    class  IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    class  IllegalCallerException
    Thrown to indicate that a method has been called by an inappropriate caller.
    class  IllegalMonitorStateException
    Thrown to indicate that a thread has attempted to wait on an object's monitor or to notify other threads waiting on an object's monitor without owning the specified monitor.
    class  IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
    class  IllegalThreadStateException
    Thrown to indicate that a thread is not in an appropriate state for the requested operation.
    class  IncompatibleClassChangeError
    Thrown when an incompatible class change has occurred to some class definition.
    class  IndexOutOfBoundsException
    Thrown to indicate that an index of some sort (such as to an array, to a string, or to a vector) is out of range.
    class  InheritableThreadLocal<T>
    This class extends ThreadLocal to provide inheritance of values from parent thread to child thread: when a child thread is created, the child receives initial values for all inheritable thread-local variables for which the parent has values.
    class  InstantiationError
    Thrown when an application tries to use the Java new construct to instantiate an abstract class or an interface.
    class  InstantiationException
    Thrown when an application tries to create an instance of a class using the newInstance method in class Class, but the specified class object cannot be instantiated.
    class  Integer
    The Integer class wraps a value of the primitive type int in an object.
    class  InternalError
    Thrown to indicate some unexpected internal error has occurred in the Java Virtual Machine.
    class  InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
    class  LayerInstantiationException
    Thrown when creating a module layer fails.
    class  Lifetime
    TBD A Lifetime is a Thing.
    class  LifetimeError
    TBD
    class  LinkageError
    Subclasses of LinkageError indicate that a class has some dependency on another class; however, the latter class has incompatibly changed after the compilation of the former class.
    class  Long
    The Long class wraps a value of the primitive type long in an object.
    class  Math
    The class Math contains methods for performing basic numeric operations such as the elementary exponential, logarithm, square root, and trigonometric functions.
    class  Module
    Represents a run-time module, either named or unnamed.
    class  ModuleLayer
    A layer of modules in the Java virtual machine.
    static class  ModuleLayer.Controller
    Controls a module layer.
    class  NegativeArraySizeException
    Thrown if an application tries to create an array with negative size.
    class  NoClassDefFoundError
    Thrown if the Java Virtual Machine or a ClassLoader instance tries to load in the definition of a class (as part of a normal method call or as part of creating a new instance using the new expression) and no definition of the class could be found.
    class  NoSuchFieldError
    Thrown if an application tries to access or modify a specified field of an object, and that object no longer has that field.
    class  NoSuchFieldException
    Signals that the class doesn't have a field of a specified name.
    class  NoSuchMethodError
    Thrown if an application tries to call a specified method of a class (either static or instance), and that class no longer has a definition of that method.
    class  NoSuchMethodException
    Thrown when a particular method cannot be found.
    class  NullPointerException
    Thrown when an application attempts to use null in a case where an object is required.
    class  Number
    The abstract class Number is the superclass of platform classes representing numeric values that are convertible to the primitive types byte, double, float, int, long, and short.
    class  NumberFormatException
    Thrown to indicate that the application has attempted to convert a string to one of the numeric types, but that the string does not have the appropriate format.
    class  OutOfMemoryError
    Thrown when the Java Virtual Machine cannot allocate an object because it is out of memory, and no more memory could be made available by the garbage collector.
    class  Package
    Represents metadata about a run-time package associated with a class loader.
    class  Process
    Process provides control of native processes started by ProcessBuilder.start and Runtime.exec.
    class  ProcessBuilder
    This class is used to create operating system processes.
    static class  ProcessBuilder.Redirect
    Represents a source of subprocess input or a destination of subprocess output.
    class  Record
    Associated with records, a preview feature of the Java language.

    This is the common base class of all Java language record classes.
    class  ReflectiveOperationException
    Common superclass of exceptions thrown by reflective operations in core reflection.
    class  Runtime
    Every Java application has a single instance of class Runtime that allows the application to interface with the environment in which the application is running.
    static class  Runtime.Version
    A representation of a version string for an implementation of the Java SE Platform.
    class  RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    class  RuntimePermission
    This class is for runtime permissions.
    class  Scoped<T>
    TBD
    class  ScopedAlreadyBoundException
    TBD
    class  ScopedBinding
    TBD
    class  SecurityException
    Thrown by the security manager to indicate a security violation.
    class  SecurityManager
    The security manager is a class that allows applications to implement a security policy.
    class  Short
    The Short class wraps a value of primitive type short in an object.
    class  StackOverflowError
    Thrown when a stack overflow occurs because an application recurses too deeply.
    class  StackTraceElement
    An element in a stack trace, as returned by Throwable.getStackTrace().
    class  StackWalker
    A stack walker.
    class  StrictMath
    The class StrictMath contains methods for performing basic numeric operations such as the elementary exponential, logarithm, square root, and trigonometric functions.
    class  String
    The String class represents character strings.
    class  StringBuffer
    A thread-safe, mutable sequence of characters.
    class  StringBuilder
    A mutable sequence of characters.
    class  StringIndexOutOfBoundsException
    Thrown by String methods to indicate that an index is either negative or greater than the size of the string.
    class  System
    The System class contains several useful class fields and methods.
    static class  System.LoggerFinder
    The LoggerFinder service is responsible for creating, managing, and configuring loggers to the underlying framework it uses.
    class  TemporalResource
    TBD A TemporalResource is a Thing.
    class  Thread
    A thread is a thread of execution in a program.
    class  ThreadDeath
    An instance of ThreadDeath is thrown in the victim thread when the (deprecated) Thread.stop() method is invoked.
    class  ThreadGroup
    A thread group represents a set of threads.
    class  ThreadLocal<T>
    This class provides thread-local variables.
    class  Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
    class  TypeNotPresentException
    Thrown when an application tries to access a type using a string representing the type's name, but no definition for the type with the specified name can be found.
    class  UnboundScopedException
    TBD
    class  UnknownError
    Thrown when an unknown but serious exception has occurred in the Java Virtual Machine.
    class  UnsatisfiedLinkError
    Thrown if the Java Virtual Machine cannot find an appropriate native-language definition of a method declared native.
    class  UnsupportedClassVersionError
    Thrown when the Java Virtual Machine attempts to read a class file and determines that the major and minor version numbers in the file are not supported.
    class  UnsupportedOperationException
    Thrown to indicate that the requested operation is not supported.
    class  VerifyError
    Thrown when the "verifier" detects that a class file, though well formed, contains some sort of internal inconsistency or security problem.
    class  VirtualMachineError
    Thrown to indicate that the Java Virtual Machine is broken or has run out of resources necessary for it to continue operating.
    class  Void
    The Void class is an uninstantiable placeholder class to hold a reference to the Class object representing the Java keyword void.
    Methods in java.lang that return Object
    Modifier and Type Method Description
    Object Thread.VirtualThreadTask.attach​(Object att)
    Attaches the given object to this task.
    Object Thread.VirtualThreadTask.attachment()
    Retrieves the current attachment.
    protected Object Enum.clone()
    Throws CloneNotSupportedException.
    protected Object Object.clone()
    Creates and returns a copy of this object.
    protected Object Thread.clone()
    Throws CloneNotSupportedException as a Thread can not be meaningfully cloned.
    static Object Compiler.command​(Object any)
    Deprecated, for removal: This API element is subject to removal in a future version.
    Examines the argument type and its fields and perform some documented operation.
    protected Object ClassLoader.getClassLoadingLock​(String className)
    Returns the lock object for class loading operations.
    T[] Class.getEnumConstants()
    Returns the elements of this enum class or null if this Class object does not represent an enum type.
    Object SecurityManager.getSecurityContext()
    Creates an object that encapsulates the current execution environment.
    Object[] Class.getSigners()
    Gets the signers of this class.
    Methods in java.lang with parameters of type Object
    Modifier and Type Method Description
    StringBuffer StringBuffer.append​(Object obj)  
    StringBuilder StringBuilder.append​(Object obj)  
    static void System.arraycopy​(Object src, int srcPos, Object dest, int destPos, int length)
    Copies an array from the specified source array, beginning at the specified position, to the specified position of the destination array.
    Object Thread.VirtualThreadTask.attach​(Object att)
    Attaches the given object to this task.
    T Class.cast​(Object obj)
    Casts an object to the class or interface represented by this Class object.
    void SecurityManager.checkConnect​(String host, int port, Object context)
    Throws a SecurityException if the specified security context is not allowed to open a socket connection to the specified host and port number.
    void SecurityManager.checkPermission​(Permission perm, Object context)
    Throws a SecurityException if the specified security context is denied access to the resource specified by the given permission.
    void SecurityManager.checkRead​(String file, Object context)
    Throws a SecurityException if the specified security context is not allowed to read the file specified by the string argument.
    static Object Compiler.command​(Object any)
    Deprecated, for removal: This API element is subject to removal in a future version.
    Examines the argument type and its fields and perform some documented operation.
    boolean Boolean.equals​(Object obj)
    Returns true if and only if the argument is not null and is a Boolean object that represents the same boolean value as this object.
    boolean Byte.equals​(Object obj)
    Compares this object to the specified object.
    boolean Character.equals​(Object obj)
    Compares this object against the specified object.
    boolean Character.Subset.equals​(Object obj)
    Compares two Subset objects for equality.
    boolean Double.equals​(Object obj)
    Compares this object against the specified object.
    boolean Enum.equals​(Object other)
    Returns true if the specified object is equal to this enum constant.
    boolean Float.equals​(Object obj)
    Compares this object against the specified object.
    boolean Integer.equals​(Object obj)
    Compares this object to the specified object.
    boolean Long.equals​(Object obj)
    Compares this object to the specified object.
    boolean Object.equals​(Object obj)
    Indicates whether some other object is "equal to" this one.
    boolean ProcessBuilder.Redirect.equals​(Object obj)
    Compares the specified object with this Redirect for equality.
    boolean ProcessHandle.equals​(Object other)
    Returns true if other object is non-null, is of the same implementation, and represents the same system process; otherwise it returns false.
    abstract boolean Record.equals​(Object obj)
    Indicates whether some other object is "equal to" this one.
    boolean Runtime.Version.equals​(Object obj)
    Determines whether this Version is equal to another object.
    boolean Short.equals​(Object obj)
    Compares this object to the specified object.
    boolean StackTraceElement.equals​(Object obj)
    Returns true if the specified object is another StackTraceElement instance representing the same execution point as this instance.
    boolean String.equals​(Object anObject)
    Compares this string to the specified object.
    boolean Runtime.Version.equalsIgnoreOptional​(Object obj)
    Determines whether this Version is equal to another disregarding optional build information.
    static String String.format​(String format, Object... args)
    Returns a formatted string using the specified format string and arguments.
    static String String.format​(Locale l, String format, Object... args)
    Returns a formatted string using the specified locale, format string, and arguments.
    String String.formatted​(Object... args)
    Formats using this string as the format string, and the supplied arguments.
    static boolean Thread.holdsLock​(Object obj)
    Returns true if and only if the current thread holds the monitor lock on the specified object.
    static int System.identityHashCode​(Object x)
    Returns the same hash code for the given object as would be returned by the default method hashCode(), whether or not the given object's class overrides hashCode().
    StringBuffer StringBuffer.insert​(int offset, Object obj)  
    StringBuilder StringBuilder.insert​(int offset, Object obj)  
    boolean Class.isInstance​(Object obj)
    Determines if the specified Object is assignment-compatible with the object represented by this Class.
    default void System.Logger.log​(System.Logger.Level level, Object obj)
    Logs a message produced from the given object.
    default void System.Logger.log​(System.Logger.Level level, String format, Object... params)
    Logs a message with an optional list of parameters.
    void System.Logger.log​(System.Logger.Level level, ResourceBundle bundle, String format, Object... params)
    Logs a message with resource bundle and an optional list of parameters.
    protected void ClassLoader.setSigners​(Class<?> c, Object[] signers)
    Sets the signers of a class.
    static String String.valueOf​(Object obj)
    Returns the string representation of the Object argument.
    Constructors in java.lang with parameters of type Object
    Constructor Description
    AssertionError​(Object detailMessage)
    Constructs an AssertionError with its detail message derived from the specified object, which is converted to a string as defined in section 5.1.11 of The Java Language Specification.
  • Uses of Object in java.lang.annotation

    Subclasses of Object in java.lang.annotation
    Modifier and Type Class Description
    class  AnnotationFormatError
    Thrown when the annotation parser attempts to read an annotation from a class file and determines that the annotation is malformed.
    class  AnnotationTypeMismatchException
    Thrown to indicate that a program has attempted to access an element of an annotation whose type has changed after the annotation was compiled (or serialized).
    class  IncompleteAnnotationException
    Thrown to indicate that a program has attempted to access an element of an annotation type that was added to the annotation type definition after the annotation was compiled (or serialized).
    Methods in java.lang.annotation with parameters of type Object
    Modifier and Type Method Description
    boolean Annotation.equals​(Object obj)
    Returns true if the specified object represents an annotation that is logically equivalent to this one.
  • Uses of Object in java.lang.constant

    Subclasses of Object in java.lang.constant
    Modifier and Type Class Description
    class  ConstantDescs
    Predefined values of nominal descriptor for common constants, including descriptors for primitive class types and other common platform types, and descriptors for method handles for standard bootstrap methods.
    class  DynamicCallSiteDesc
    A nominal descriptor for an invokedynamic call site.
    class  DynamicConstantDesc<T>
    A nominal descriptor for a dynamic constant (one described in the constant pool with Constant_Dynamic_info.)
    Methods in java.lang.constant that return Object
    Modifier and Type Method Description
    Object ConstantDesc.resolveConstantDesc​(MethodHandles.Lookup lookup)
    Resolves this descriptor reflectively, emulating the resolution behavior of JVMS 5.4.3 and the access control behavior of JVMS 5.4.4.
    Methods in java.lang.constant with parameters of type Object
    Modifier and Type Method Description
    boolean ClassDesc.equals​(Object o)
    Compare the specified object with this descriptor for equality.
    boolean DynamicCallSiteDesc.equals​(Object o)
    Compares the specified object with this descriptor for equality.
    boolean DynamicConstantDesc.equals​(Object o)
    Compares the specified object with this descriptor for equality.
    boolean MethodHandleDesc.equals​(Object o)
    Compares the specified object with this descriptor for equality.
    boolean MethodTypeDesc.equals​(Object o)
    Compares the specified object with this descriptor for equality.
  • Uses of Object in java.lang.instrument

    Subclasses of Object in java.lang.instrument
    Modifier and Type Class Description
    class  ClassDefinition
    This class serves as a parameter block to the Instrumentation.redefineClasses method.
    class  IllegalClassFormatException
    Thrown by an implementation of ClassFileTransformer.transform when its input parameters are invalid.
    class  UnmodifiableClassException
    Thrown by an implementation of Instrumentation.redefineClasses when one of the specified classes cannot be modified.
    class  UnmodifiableModuleException
    Thrown to indicate that a module cannot be modified.
    Methods in java.lang.instrument with parameters of type Object
    Modifier and Type Method Description
    long Instrumentation.getObjectSize​(Object objectToSize)
    Returns an implementation-specific approximation of the amount of storage consumed by the specified object.
  • Uses of Object in java.lang.invoke

    Subclasses of Object in java.lang.invoke
    Modifier and Type Class Description
    class  CallSite
    A CallSite is a holder for a variable MethodHandle, which is called its target.
    class  ConstantBootstraps
    Bootstrap methods for dynamically-computed constants.
    class  ConstantCallSite
    A ConstantCallSite is a CallSite whose target is permanent, and can never be changed.
    class  LambdaConversionException
    LambdaConversionException
    class  LambdaMetafactory
    Methods to facilitate the creation of simple "function objects" that implement one or more interfaces by delegation to a provided MethodHandle, possibly after type adaptation and partial evaluation of arguments.
    class  MethodHandle
    A method handle is a typed, directly executable reference to an underlying method, constructor, field, or similar low-level operation, with optional transformations of arguments or return values.
    class  MethodHandleProxies
    This class consists exclusively of static methods that help adapt method handles to other JVM types, such as interfaces.
    class  MethodHandles
    This class consists exclusively of static methods that operate on or return method handles.
    static class  MethodHandles.Lookup
    A lookup object is a factory for creating method handles, when the creation requires access checking.
    class  MethodType
    A method type represents the arguments and return type accepted and returned by a method handle, or the arguments and return type passed and expected by a method handle caller.
    class  MutableCallSite
    A MutableCallSite is a CallSite whose target variable behaves like an ordinary field.
    class  SerializedLambda
    Serialized form of a lambda expression.
    class  StringConcatException
    StringConcatException is thrown by StringConcatFactory when linkage invariants are violated.
    class  StringConcatFactory
    Methods to facilitate the creation of String concatenation methods, that can be used to efficiently concatenate a known number of arguments of known types, possibly after type adaptation and partial evaluation of arguments.
    class  SwitchPoint
    A SwitchPoint is an object which can publish state transitions to other threads.
    class  VarHandle
    A VarHandle is a dynamically strongly typed reference to a variable, or to a parametrically-defined family of variables, including static fields, non-static fields, array elements, or components of an off-heap data structure.
    static class  VarHandle.VarHandleDesc
    A nominal descriptor for a VarHandle constant.
    class  VolatileCallSite
    A VolatileCallSite is a CallSite whose target acts like a volatile variable.
    class  WrongMethodTypeException
    Thrown to indicate that code has attempted to call a method handle via the wrong method type.
    Methods in java.lang.invoke that return Object
    Modifier and Type Method Description
    Object VarHandle.compareAndExchange​(Object... args)
    Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setVolatile(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
    Object VarHandle.compareAndExchangeAcquire​(Object... args)
    Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.set(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
    Object VarHandle.compareAndExchangeRelease​(Object... args)
    Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setRelease(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
    static Object ConstantBootstraps.explicitCast​(MethodHandles.Lookup lookup, String name, Class<?> dstType, Object value)
    Applies a conversion from a source type to a destination type.
    Object VarHandle.get​(Object... args)
    Returns the value of a variable, with memory semantics of reading as if the variable was declared non-volatile.
    Object VarHandle.getAcquire​(Object... args)
    Returns the value of a variable, and ensures that subsequent loads and stores are not reordered before this access.
    Object VarHandle.getAndAdd​(Object... args)
    Atomically adds the value to the current value of a variable with the memory semantics of VarHandle.setVolatile(java.lang.Object...), and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
    Object VarHandle.getAndAddAcquire​(Object... args)
    Atomically adds the value to the current value of a variable with the memory semantics of VarHandle.set(java.lang.Object...), and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
    Object VarHandle.getAndAddRelease​(Object... args)
    Atomically adds the value to the current value of a variable with the memory semantics of VarHandle.setRelease(java.lang.Object...), and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
    Object VarHandle.getAndBitwiseAnd​(Object... args)
    Atomically sets the value of a variable to the result of bitwise AND between the variable's current value and the mask with the memory semantics of VarHandle.setVolatile(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
    Object VarHandle.getAndBitwiseAndAcquire​(Object... args)
    Atomically sets the value of a variable to the result of bitwise AND between the variable's current value and the mask with the memory semantics of VarHandle.set(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
    Object VarHandle.getAndBitwiseAndRelease​(Object... args)
    Atomically sets the value of a variable to the result of bitwise AND between the variable's current value and the mask with the memory semantics of VarHandle.setRelease(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
    Object VarHandle.getAndBitwiseOr​(Object... args)
    Atomically sets the value of a variable to the result of bitwise OR between the variable's current value and the mask with the memory semantics of VarHandle.setVolatile(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
    Object VarHandle.getAndBitwiseOrAcquire​(Object... args)
    Atomically sets the value of a variable to the result of bitwise OR between the variable's current value and the mask with the memory semantics of VarHandle.set(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
    Object VarHandle.getAndBitwiseOrRelease​(Object... args)
    Atomically sets the value of a variable to the result of bitwise OR between the variable's current value and the mask with the memory semantics of VarHandle.setRelease(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
    Object VarHandle.getAndBitwiseXor​(Object... args)
    Atomically sets the value of a variable to the result of bitwise XOR between the variable's current value and the mask with the memory semantics of VarHandle.setVolatile(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
    Object VarHandle.getAndBitwiseXorAcquire​(Object... args)
    Atomically sets the value of a variable to the result of bitwise XOR between the variable's current value and the mask with the memory semantics of VarHandle.set(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
    Object VarHandle.getAndBitwiseXorRelease​(Object... args)
    Atomically sets the value of a variable to the result of bitwise XOR between the variable's current value and the mask with the memory semantics of VarHandle.setRelease(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
    Object VarHandle.getAndSet​(Object... args)
    Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setVolatile(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
    Object VarHandle.getAndSetAcquire​(Object... args)
    Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.set(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
    Object VarHandle.getAndSetRelease​(Object... args)
    Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setRelease(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
    Object SerializedLambda.getCapturedArg​(int i)
    Get a dynamic argument to the lambda capture site.
    Object VarHandle.getOpaque​(Object... args)
    Returns the value of a variable, accessed in program order, but with no assurance of memory ordering effects with respect to other threads.
    static Object ConstantBootstraps.getStaticFinal​(MethodHandles.Lookup lookup, String name, Class<?> type)
    Returns the value of a static final field declared in the class which is the same as the field's type (or, for primitive-valued fields, declared in the wrapper class.)
    static Object ConstantBootstraps.getStaticFinal​(MethodHandles.Lookup lookup, String name, Class<?> type, Class<?> declaringClass)
    Returns the value of a static final field.
    Object VarHandle.getVolatile​(Object... args)
    Returns the value of a variable, with memory semantics of reading as if the variable was declared volatile.
    static Object ConstantBootstraps.invoke​(MethodHandles.Lookup lookup, String name, Class<?> type, MethodHandle handle, Object... args)
    Returns the result of invoking a method handle with the provided arguments.
    Object MethodHandle.invoke​(Object... args)
    Invokes the method handle, allowing any caller type descriptor, and optionally performing conversions on arguments and return values.
    Object MethodHandle.invokeExact​(Object... args)
    Invokes the method handle, allowing any caller type descriptor, but requiring an exact type match.
    Object MethodHandle.invokeWithArguments​(Object... arguments)
    Performs a variable arity invocation, passing the arguments in the given array to the method handle, as if via an inexact invoke from a call site which mentions only the type Object, and whose actual argument count is the length of the argument array.
    Object MethodHandle.invokeWithArguments​(List<?> arguments)
    Performs a variable arity invocation, passing the arguments in the given list to the method handle, as if via an inexact invoke from a call site which mentions only the type Object, and whose actual argument count is the length of the argument list.
    static Object ConstantBootstraps.nullConstant​(MethodHandles.Lookup lookup, String name, Class<?> type)
    Returns a null object reference for the reference type specified by type.
    Methods in java.lang.invoke with parameters of type Object
    Modifier and Type Method Description
    static CallSite LambdaMetafactory.altMetafactory​(MethodHandles.Lookup caller, String invokedName, MethodType invokedType, Object... args)
    Facilitates the creation of simple "function objects" that implement one or more interfaces by delegation to a provided MethodHandle, after appropriate type adaptation and partial evaluation of arguments.
    MethodHandle MethodHandles.Lookup.bind​(Object receiver, String name, MethodType type)
    Produces an early-bound method handle for a non-static method.
    MethodHandle MethodHandle.bindTo​(Object x)
    Binds a value x to the first argument of a method handle, without invoking it.
    Object VarHandle.compareAndExchange​(Object... args)
    Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setVolatile(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
    Object VarHandle.compareAndExchangeAcquire​(Object... args)
    Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.set(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
    Object VarHandle.compareAndExchangeRelease​(Object... args)
    Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setRelease(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
    boolean VarHandle.compareAndSet​(Object... args)
    Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setVolatile(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
    static MethodHandle MethodHandles.constant​(Class<?> type, Object value)
    Produces a method handle of the requested return type which returns the given constant value every time it is invoked.
    boolean MethodType.equals​(Object x)
    Compares the specified object with this type for equality.
    static Object ConstantBootstraps.explicitCast​(MethodHandles.Lookup lookup, String name, Class<?> dstType, Object value)
    Applies a conversion from a source type to a destination type.
    Object VarHandle.get​(Object... args)
    Returns the value of a variable, with memory semantics of reading as if the variable was declared non-volatile.
    Object VarHandle.getAcquire​(Object... args)
    Returns the value of a variable, and ensures that subsequent loads and stores are not reordered before this access.
    Object VarHandle.getAndAdd​(Object... args)
    Atomically adds the value to the current value of a variable with the memory semantics of VarHandle.setVolatile(java.lang.Object...), and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
    Object VarHandle.getAndAddAcquire​(Object... args)
    Atomically adds the value to the current value of a variable with the memory semantics of VarHandle.set(java.lang.Object...), and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
    Object VarHandle.getAndAddRelease​(Object... args)
    Atomically adds the value to the current value of a variable with the memory semantics of VarHandle.setRelease(java.lang.Object...), and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
    Object VarHandle.getAndBitwiseAnd​(Object... args)
    Atomically sets the value of a variable to the result of bitwise AND between the variable's current value and the mask with the memory semantics of VarHandle.setVolatile(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
    Object VarHandle.getAndBitwiseAndAcquire​(Object... args)
    Atomically sets the value of a variable to the result of bitwise AND between the variable's current value and the mask with the memory semantics of VarHandle.set(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
    Object VarHandle.getAndBitwiseAndRelease​(Object... args)
    Atomically sets the value of a variable to the result of bitwise AND between the variable's current value and the mask with the memory semantics of VarHandle.setRelease(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
    Object VarHandle.getAndBitwiseOr​(Object... args)
    Atomically sets the value of a variable to the result of bitwise OR between the variable's current value and the mask with the memory semantics of VarHandle.setVolatile(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
    Object VarHandle.getAndBitwiseOrAcquire​(Object... args)
    Atomically sets the value of a variable to the result of bitwise OR between the variable's current value and the mask with the memory semantics of VarHandle.set(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
    Object VarHandle.getAndBitwiseOrRelease​(Object... args)
    Atomically sets the value of a variable to the result of bitwise OR between the variable's current value and the mask with the memory semantics of VarHandle.setRelease(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
    Object VarHandle.getAndBitwiseXor​(Object... args)
    Atomically sets the value of a variable to the result of bitwise XOR between the variable's current value and the mask with the memory semantics of VarHandle.setVolatile(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
    Object VarHandle.getAndBitwiseXorAcquire​(Object... args)
    Atomically sets the value of a variable to the result of bitwise XOR between the variable's current value and the mask with the memory semantics of VarHandle.set(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
    Object VarHandle.getAndBitwiseXorRelease​(Object... args)
    Atomically sets the value of a variable to the result of bitwise XOR between the variable's current value and the mask with the memory semantics of VarHandle.setRelease(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
    Object VarHandle.getAndSet​(Object... args)
    Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setVolatile(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
    Object VarHandle.getAndSetAcquire​(Object... args)
    Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.set(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
    Object VarHandle.getAndSetRelease​(Object... args)
    Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setRelease(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
    Object VarHandle.getOpaque​(Object... args)
    Returns the value of a variable, accessed in program order, but with no assurance of memory ordering effects with respect to other threads.
    Object VarHandle.getVolatile​(Object... args)
    Returns the value of a variable, with memory semantics of reading as if the variable was declared volatile.
    static MethodHandle MethodHandles.insertArguments​(MethodHandle target, int pos, Object... values)
    Provides a target method handle with one or more bound arguments in advance of the method handle's invocation.
    static Object ConstantBootstraps.invoke​(MethodHandles.Lookup lookup, String name, Class<?> type, MethodHandle handle, Object... args)
    Returns the result of invoking a method handle with the provided arguments.
    Object MethodHandle.invoke​(Object... args)
    Invokes the method handle, allowing any caller type descriptor, and optionally performing conversions on arguments and return values.
    Object MethodHandle.invokeExact​(Object... args)
    Invokes the method handle, allowing any caller type descriptor, but requiring an exact type match.
    Object MethodHandle.invokeWithArguments​(Object... arguments)
    Performs a variable arity invocation, passing the arguments in the given array to the method handle, as if via an inexact invoke from a call site which mentions only the type Object, and whose actual argument count is the length of the argument array.
    static boolean MethodHandleProxies.isWrapperInstance​(Object x)
    Determines if the given object was produced by a call to asInterfaceInstance.
    static CallSite StringConcatFactory.makeConcatWithConstants​(MethodHandles.Lookup lookup, String name, MethodType concatType, String recipe, Object... constants)
    Facilitates the creation of optimized String concatenation methods, that can be used to efficiently concatenate a known number of arguments of known types, possibly after type adaptation and partial evaluation of arguments.
    void VarHandle.set​(Object... args)
    Sets the value of a variable to the newValue, with memory semantics of setting as if the variable was declared non-volatile and non-final.
    void VarHandle.setOpaque​(Object... args)
    Sets the value of a variable to the newValue, in program order, but with no assurance of memory ordering effects with respect to other threads.
    void VarHandle.setRelease​(Object... args)
    Sets the value of a variable to the newValue, and ensures that prior loads and stores are not reordered after this access.
    void VarHandle.setVolatile​(Object... args)
    Sets the value of a variable to the newValue, with memory semantics of setting as if the variable was declared volatile.
    boolean VarHandle.weakCompareAndSet​(Object... args)
    Possibly atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setVolatile(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
    boolean VarHandle.weakCompareAndSetAcquire​(Object... args)
    Possibly atomically sets the value of a variable to the newValue with the semantics of VarHandle.set(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
    boolean VarHandle.weakCompareAndSetPlain​(Object... args)
    Possibly atomically sets the value of a variable to the newValue with the semantics of VarHandle.set(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
    boolean VarHandle.weakCompareAndSetRelease​(Object... args)
    Possibly atomically sets the value of a variable to the newValue with the semantics of VarHandle.setRelease(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
    static MethodHandle MethodHandleProxies.wrapperInstanceTarget​(Object x)
    Produces or recovers a target method handle which is behaviorally equivalent to the unique method of this wrapper instance.
    static Class<?> MethodHandleProxies.wrapperInstanceType​(Object x)
    Recovers the unique single-method interface type for which this wrapper instance was created.
    Constructors in java.lang.invoke with parameters of type Object
    Constructor Description
    SerializedLambda​(Class<?> capturingClass, String functionalInterfaceClass, String functionalInterfaceMethodName, String functionalInterfaceMethodSignature, int implMethodKind, String implClass, String implMethodName, String implMethodSignature, String instantiatedMethodType, Object[] capturedArgs)
    Create a SerializedLambda from the low-level information present at the lambda factory site.
  • Uses of Object in java.lang.management

    Subclasses of Object in java.lang.management
    Modifier and Type Class Description
    class  LockInfo
    Information about a lock.
    class  ManagementFactory
    The ManagementFactory class is a factory class for getting managed beans for the Java platform.
    class  ManagementPermission
    The permission which the SecurityManager will check when code that is running with a SecurityManager calls methods defined in the management interface for the Java platform.
    class  MemoryNotificationInfo
    The information about a memory notification.
    class  MemoryUsage
    A MemoryUsage object represents a snapshot of memory usage.
    class  MonitorInfo
    Information about an object monitor lock.
    class  ThreadInfo
    Thread information.
  • Uses of Object in java.lang.module

    Subclasses of Object in java.lang.module
    Modifier and Type Class Description
    class  Configuration
    A configuration that is the result of resolution or resolution with service binding.
    class  FindException
    Thrown by a ModuleFinder when an error occurs finding a module.
    class  InvalidModuleDescriptorException
    Thrown when reading a module descriptor and the module descriptor is found to be malformed or otherwise cannot be interpreted as a module descriptor.
    class  ModuleDescriptor
    A module descriptor.
    static class  ModuleDescriptor.Builder
    A builder for building ModuleDescriptor objects.
    static class  ModuleDescriptor.Exports
    A package exported by a module, may be qualified or unqualified.
    static class  ModuleDescriptor.Opens
    A package opened by a module, may be qualified or unqualified.
    static class  ModuleDescriptor.Provides
    A service that a module provides one or more implementations of.
    static class  ModuleDescriptor.Requires
    A dependence upon a module.
    static class  ModuleDescriptor.Version
    A module's version string.
    class  ModuleReference
    A reference to a module's content.
    class  ResolutionException
    Thrown when resolving a set of modules, or resolving a set of modules with service binding, fails.
    class  ResolvedModule
    A module in a graph of resolved modules.
    Methods in java.lang.module with parameters of type Object
    Modifier and Type Method Description
    boolean ModuleDescriptor.equals​(Object ob)
    Tests this module descriptor for equality with the given object.
    boolean ModuleDescriptor.Exports.equals​(Object ob)
    Tests this module export for equality with the given object.
    boolean ModuleDescriptor.Opens.equals​(Object ob)
    Tests this module Opens for equality with the given object.
    boolean ModuleDescriptor.Provides.equals​(Object ob)
    Tests this Provides for equality with the given object.
    boolean ModuleDescriptor.Requires.equals​(Object ob)
    Tests this module dependence for equality with the given object.
    boolean ModuleDescriptor.Version.equals​(Object ob)
    Tests this module version for equality with the given object.
    boolean ResolvedModule.equals​(Object ob)
    Tests this resolved module for equality with the given object.
  • Uses of Object in java.lang.ref

    Subclasses of Object in java.lang.ref
    Modifier and Type Class Description
    class  Cleaner
    Cleaner manages a set of object references and corresponding cleaning actions.
    class  PhantomReference<T>
    Phantom reference objects, which are enqueued after the collector determines that their referents may otherwise be reclaimed.
    class  Reference<T>
    Abstract base class for reference objects.
    class  ReferenceQueue<T>
    Reference queues, to which registered reference objects are appended by the garbage collector after the appropriate reachability changes are detected.
    class  SoftReference<T>
    Soft reference objects, which are cleared at the discretion of the garbage collector in response to memory demand.
    class  WeakReference<T>
    Weak reference objects, which do not prevent their referents from being made finalizable, finalized, and then reclaimed.
    Methods in java.lang.ref that return Object
    Modifier and Type Method Description
    protected Object Reference.clone()
    Methods in java.lang.ref with parameters of type Object
    Modifier and Type Method Description
    static void Reference.reachabilityFence​(Object ref)
    Ensures that the object referenced by the given reference remains strongly reachable, regardless of any prior actions of the program that might otherwise cause the object to become unreachable; thus, the referenced object is not reclaimable by garbage collection at least until after the invocation of this method.
    Cleaner.Cleanable Cleaner.register​(Object obj, Runnable action)
    Registers an object and a cleaning action to run when the object becomes phantom reachable.
  • Uses of Object in java.lang.reflect

    Subclasses of Object in java.lang.reflect
    Modifier and Type Class Description
    class  AccessibleObject
    The AccessibleObject class is the base class for Field, Method, and Constructor objects (known as reflected objects).
    class  Array
    The Array class provides static methods to dynamically create and access Java arrays.
    class  Constructor<T>
    Constructor provides information about, and access to, a single constructor for a class.
    class  Executable
    A shared superclass for the common functionality of Method and Constructor.
    class  Field
    A Field provides information about, and dynamic access to, a single field of a class or an interface.
    class  GenericSignatureFormatError
    Thrown when a syntactically malformed signature attribute is encountered by a reflective method that needs to interpret the generic signature information for a type, method or constructor.
    class  InaccessibleObjectException
    Thrown when Java language access checks cannot be suppressed.
    class  InvocationTargetException
    InvocationTargetException is a checked exception that wraps an exception thrown by an invoked method or constructor.
    class  MalformedParameterizedTypeException
    Thrown when a semantically malformed parameterized type is encountered by a reflective method that needs to instantiate it.
    class  MalformedParametersException
    Thrown when the java.lang.reflect package attempts to read method parameters from a class file and determines that one or more parameters are malformed.
    class  Method
    A Method provides information about, and access to, a single method on a class or interface.
    class  Modifier
    The Modifier class provides static methods and constants to decode class and member access modifiers.
    class  Parameter
    Information about method parameters.
    class  Proxy
    Proxy provides static methods for creating objects that act like instances of interfaces but allow for customized method invocation.
    class  RecordComponent
    Associated with records, a preview feature of the Java language.

    A RecordComponent provides information about, and dynamic access to, a component of a record class.
    class  ReflectPermission
    The Permission class for reflective operations.
    class  UndeclaredThrowableException
    Thrown by a method invocation on a proxy instance if its invocation handler's invoke method throws a checked exception (a Throwable that is not assignable to RuntimeException or Error) that is not assignable to any of the exception types declared in the throws clause of the method that was invoked on the proxy instance and dispatched to the invocation handler.
    Methods in java.lang.reflect that return Object
    Modifier and Type Method Description
    static Object Array.get​(Object array, int index)
    Returns the value of the indexed component in the specified array object.
    Object Field.get​(Object obj)
    Returns the value of the field represented by this Field, on the specified object.
    Object Method.getDefaultValue()
    Returns the default value for the annotation member represented by this Method instance.
    Object InvocationHandler.invoke​(Object proxy, Method method, Object[] args)
    Processes a method invocation on a proxy instance and returns the result.
    Object Method.invoke​(Object obj, Object... args)
    Invokes the underlying method represented by this Method object, on the specified object with the specified parameters.
    static Object Array.newInstance​(Class<?> componentType, int length)
    Creates a new array with the specified component type and length.
    static Object Array.newInstance​(Class<?> componentType, int... dimensions)
    Creates a new array with the specified component type and dimensions.
    static Object Proxy.newProxyInstance​(ClassLoader loader, Class<?>[] interfaces, InvocationHandler h)
    Returns a proxy instance for the specified interfaces that dispatches method invocations to the specified invocation handler.
    Methods in java.lang.reflect with parameters of type Object
    Modifier and Type Method Description
    boolean AccessibleObject.canAccess​(Object obj)
    Test if the caller can access this reflected object.
    boolean Constructor.equals​(Object obj)
    Compares this Constructor against the specified object.
    boolean Field.equals​(Object obj)
    Compares this Field against the specified object.
    boolean Method.equals​(Object obj)
    Compares this Method against the specified object.
    boolean Parameter.equals​(Object obj)
    Compares based on the executable and the index.
    static Object Array.get​(Object array, int index)
    Returns the value of the indexed component in the specified array object.
    Object Field.get​(Object obj)
    Returns the value of the field represented by this Field, on the specified object.
    static boolean Array.getBoolean​(Object array, int index)
    Returns the value of the indexed component in the specified array object, as a boolean.
    boolean Field.getBoolean​(Object obj)
    Gets the value of a static or instance boolean field.
    static byte Array.getByte​(Object array, int index)
    Returns the value of the indexed component in the specified array object, as a byte.
    byte Field.getByte​(Object obj)
    Gets the value of a static or instance byte field.
    static char Array.getChar​(Object array, int index)
    Returns the value of the indexed component in the specified array object, as a char.
    char Field.getChar​(Object obj)
    Gets the value of a static or instance field of type char or of another primitive type convertible to type char via a widening conversion.
    static double Array.getDouble​(Object array, int index)
    Returns the value of the indexed component in the specified array object, as a double.
    double Field.getDouble​(Object obj)
    Gets the value of a static or instance field of type double or of another primitive type convertible to type double via a widening conversion.
    static float Array.getFloat​(Object array, int index)
    Returns the value of the indexed component in the specified array object, as a float.
    float Field.getFloat​(Object obj)
    Gets the value of a static or instance field of type float or of another primitive type convertible to type float via a widening conversion.
    static int Array.getInt​(Object array, int index)
    Returns the value of the indexed component in the specified array object, as an int.
    int Field.getInt​(Object obj)
    Gets the value of a static or instance field of type int or of another primitive type convertible to type int via a widening conversion.
    static InvocationHandler Proxy.getInvocationHandler​(Object proxy)
    Returns the invocation handler for the specified proxy instance.
    static int Array.getLength​(Object array)
    Returns the length of the specified array object, as an int.
    static long Array.getLong​(Object array, int index)
    Returns the value of the indexed component in the specified array object, as a long.
    long Field.getLong​(Object obj)
    Gets the value of a static or instance field of type long or of another primitive type convertible to type long via a widening conversion.
    static short Array.getShort​(Object array, int index)
    Returns the value of the indexed component in the specified array object, as a short.
    short Field.getShort​(Object obj)
    Gets the value of a static or instance field of type short or of another primitive type convertible to type short via a widening conversion.
    Object InvocationHandler.invoke​(Object proxy, Method method, Object[] args)
    Processes a method invocation on a proxy instance and returns the result.
    Object Method.invoke​(Object obj, Object... args)
    Invokes the underlying method represented by this Method object, on the specified object with the specified parameters.
    T Constructor.newInstance​(Object... initargs)
    Uses the constructor represented by this Constructor object to create and initialize a new instance of the constructor's declaring class, with the specified initialization parameters.
    static void Array.set​(Object array, int index, Object value)
    Sets the value of the indexed component of the specified array object to the specified new value.
    void Field.set​(Object obj, Object value)
    Sets the field represented by this Field object on the specified object argument to the specified new value.
    static void Array.setBoolean​(Object array, int index, boolean z)
    Sets the value of the indexed component of the specified array object to the specified boolean value.
    void Field.setBoolean​(Object obj, boolean z)
    Sets the value of a field as a boolean on the specified object.
    static void Array.setByte​(Object array, int index, byte b)
    Sets the value of the indexed component of the specified array object to the specified byte value.
    void Field.setByte​(Object obj, byte b)
    Sets the value of a field as a byte on the specified object.
    static void Array.setChar​(Object array, int index, char c)
    Sets the value of the indexed component of the specified array object to the specified char value.
    void Field.setChar​(Object obj, char c)
    Sets the value of a field as a char on the specified object.
    static void Array.setDouble​(Object array, int index, double d)
    Sets the value of the indexed component of the specified array object to the specified double value.
    void Field.setDouble​(Object obj, double d)
    Sets the value of a field as a double on the specified object.
    static void Array.setFloat​(Object array, int index, float f)
    Sets the value of the indexed component of the specified array object to the specified float value.
    void Field.setFloat​(Object obj, float f)
    Sets the value of a field as a float on the specified object.
    static void Array.setInt​(Object array, int index, int i)
    Sets the value of the indexed component of the specified array object to the specified int value.
    void Field.setInt​(Object obj, int i)
    Sets the value of a field as an int on the specified object.
    static void Array.setLong​(Object array, int index, long l)
    Sets the value of the indexed component of the specified array object to the specified long value.
    void Field.setLong​(Object obj, long l)
    Sets the value of a field as a long on the specified object.
    static void Array.setShort​(Object array, int index, short s)
    Sets the value of the indexed component of the specified array object to the specified short value.
    void Field.setShort​(Object obj, short s)
    Sets the value of a field as a short on the specified object.
  • Uses of Object in java.lang.runtime

    Subclasses of Object in java.lang.runtime
    Modifier and Type Class Description
    class  ObjectMethods
    Associated with records, a preview feature of the Java language.

    Bootstrap methods for state-driven implementations of core methods, including equals(Object), hashCode(), and toString().
    Methods in java.lang.runtime that return Object
    Modifier and Type Method Description
    static Object ObjectMethods.bootstrap​(MethodHandles.Lookup lookup, String methodName, TypeDescriptor type, Class<?> recordClass, String names, MethodHandle... getters)
    Bootstrap method to generate the equals(Object), hashCode(), and toString() methods, based on a description of the component names and accessor methods, for either invokedynamic call sites or dynamic constant pool entries.
  • Uses of Object in java.math

    Subclasses of Object in java.math
    Modifier and Type Class Description
    class  BigDecimal
    Immutable, arbitrary-precision signed decimal numbers.
    class  BigInteger
    Immutable arbitrary-precision integers.
    class  MathContext
    Immutable objects which encapsulate the context settings which describe certain rules for numerical operators, such as those implemented by the BigDecimal class.
    Methods in java.math with parameters of type Object
    Modifier and Type Method Description
    boolean BigDecimal.equals​(Object x)
    Compares this BigDecimal with the specified Object for equality.
    boolean BigInteger.equals​(Object x)
    Compares this BigInteger with the specified Object for equality.
    boolean MathContext.equals​(Object x)
    Compares this MathContext with the specified Object for equality.
  • Uses of Object in java.net

    Subclasses of Object in java.net
    Modifier and Type Class Description
    class  Authenticator
    The class Authenticator represents an object that knows how to obtain authentication for a network connection.
    class  BindException
    Signals that an error occurred while attempting to bind a socket to a local address and port.
    class  CacheRequest
    Represents channels for storing resources in the ResponseCache.
    class  CacheResponse
    Represent channels for retrieving resources from the ResponseCache.
    class  ConnectException
    Signals that an error occurred while attempting to connect a socket to a remote address and port.
    class  ContentHandler
    The abstract class ContentHandler is the superclass of all classes that read an Object from a URLConnection.
    class  CookieHandler
    A CookieHandler object provides a callback mechanism to hook up a HTTP state management policy implementation into the HTTP protocol handler.
    class  CookieManager
    CookieManager provides a concrete implementation of CookieHandler, which separates the storage of cookies from the policy surrounding accepting and rejecting cookies.
    class  DatagramPacket
    This class represents a datagram packet.
    class  DatagramSocket
    This class represents a socket for sending and receiving datagram packets.
    class  DatagramSocketImpl
    Abstract datagram and multicast socket implementation base class.
    class  HttpCookie
    An HttpCookie object represents an HTTP cookie, which carries state information between server and user agent.
    class  HttpRetryException
    Thrown to indicate that a HTTP request needs to be retried but cannot be retried automatically, due to streaming mode being enabled.
    class  HttpURLConnection
    A URLConnection with support for HTTP-specific features.
    class  IDN
    Provides methods to convert internationalized domain names (IDNs) between a normal Unicode representation and an ASCII Compatible Encoding (ACE) representation.
    class  Inet4Address
    This class represents an Internet Protocol version 4 (IPv4) address.
    class  Inet6Address
    This class represents an Internet Protocol version 6 (IPv6) address.
    class  InetAddress
    This class represents an Internet Protocol (IP) address.
    class  InetSocketAddress
    This class implements an IP Socket Address (IP address + port number) It can also be a pair (hostname + port number), in which case an attempt will be made to resolve the hostname.
    class  InterfaceAddress
    This class represents a Network Interface address.
    class  JarURLConnection
    A URL Connection to a Java ARchive (JAR) file or an entry in a JAR file.
    class  MalformedURLException
    Thrown to indicate that a malformed URL has occurred.
    class  MulticastSocket
    The multicast datagram socket class is useful for sending and receiving IP multicast packets.
    class  NetPermission
    This class is for various network permissions.
    class  NetworkInterface
    This class represents a Network Interface made up of a name, and a list of IP addresses assigned to this interface.
    class  NoRouteToHostException
    Signals that an error occurred while attempting to connect a socket to a remote address and port.
    class  PasswordAuthentication
    The class PasswordAuthentication is a data holder that is used by Authenticator.
    class  PortUnreachableException
    Signals that an ICMP Port Unreachable message has been received on a connected datagram.
    class  ProtocolException
    Thrown to indicate that there is an error in the underlying protocol, such as a TCP error.
    class  Proxy
    This class represents a proxy setting, typically a type (http, socks) and a socket address.
    class  ProxySelector
    Selects the proxy server to use, if any, when connecting to the network resource referenced by a URL.
    class  ResponseCache
    Represents implementations of URLConnection caches.
    class  SecureCacheResponse
    Represents a cache response originally retrieved through secure means, such as TLS.
    class  ServerSocket
    This class implements server sockets.
    class  Socket
    This class implements client sockets (also called just "sockets").
    class  SocketAddress
    This class represents a Socket Address with no protocol attachment.
    class  SocketException
    Thrown to indicate that there is an error creating or accessing a Socket.
    class  SocketImpl
    The abstract class SocketImpl is a common superclass of all classes that actually implement sockets.
    class  SocketPermission
    This class represents access to a network via sockets.
    class  SocketTimeoutException
    Signals that a timeout has occurred on a socket read or accept.
    class  StandardSocketOptions
    Defines the standard socket options.
    class  UnknownHostException
    Thrown to indicate that the IP address of a host could not be determined.
    class  UnknownServiceException
    Thrown to indicate that an unknown service exception has occurred.
    class  URI
    Represents a Uniform Resource Identifier (URI) reference.
    class  URISyntaxException
    Checked exception thrown to indicate that a string could not be parsed as a URI reference.
    class  URL
    Class URL represents a Uniform Resource Locator, a pointer to a "resource" on the World Wide Web.
    class  URLClassLoader
    This class loader is used to load classes and resources from a search path of URLs referring to both JAR files and directories.
    class  URLConnection
    The abstract class URLConnection is the superclass of all classes that represent a communications link between the application and a URL.
    class  URLDecoder
    Utility class for HTML form decoding.
    class  URLEncoder
    Utility class for HTML form encoding.
    class  URLPermission
    Represents permission to access a resource or set of resources defined by a given url, and for a given set of user-settable request methods and request headers.
    class  URLStreamHandler
    The abstract class URLStreamHandler is the common superclass for all stream protocol handlers.
    Methods in java.net that return Object
    Modifier and Type Method Description
    Object HttpCookie.clone()
    Create and return a copy of this object.
    abstract Object ContentHandler.getContent​(URLConnection urlc)
    Given a URL connect stream positioned at the beginning of the representation of an object, this method reads that stream and creates an object from it.
    Object ContentHandler.getContent​(URLConnection urlc, Class[] classes)
    Given a URL connect stream positioned at the beginning of the representation of an object, this method reads that stream and creates an object that matches one of the types specified.
    Object URL.getContent()
    Gets the contents of this URL.
    Object URL.getContent​(Class<?>[] classes)
    Gets the contents of this URL.
    Object URLConnection.getContent()
    Retrieves the contents of this URL connection.
    Object URLConnection.getContent​(Class<?>[] classes)
    Retrieves the contents of this URL connection.
    Object SocketOptions.getOption​(int optID)
    Fetch the value of an option.
    Methods in java.net with parameters of type Object
    Modifier and Type Method Description
    boolean HttpCookie.equals​(Object obj)
    Test the equality of two HTTP cookies.
    boolean Inet4Address.equals​(Object obj)
    Compares this object against the specified object.
    boolean Inet6Address.equals​(Object obj)
    Compares this object against the specified object.
    boolean InetAddress.equals​(Object obj)
    Compares this object against the specified object.
    boolean InetSocketAddress.equals​(Object obj)
    Compares this object against the specified object.
    boolean InterfaceAddress.equals​(Object obj)
    Compares this object against the specified object.
    boolean NetworkInterface.equals​(Object obj)
    Compares this object against the specified object.
    boolean Proxy.equals​(Object obj)
    Compares this object against the specified object.
    boolean SocketPermission.equals​(Object obj)
    Checks two SocketPermission objects for equality.
    boolean URI.equals​(Object ob)
    Tests this URI for equality with another object.
    boolean URL.equals​(Object obj)
    Compares this URL for equality with another object.
    boolean URLPermission.equals​(Object p)
    Returns true if, this.getActions().equals(p.getActions()) and p's url equals this's url.
    void SocketOptions.setOption​(int optID, Object value)
    Enable/disable the option specified by optID.
  • Uses of Object in java.net.http

    Subclasses of Object in java.net.http
    Modifier and Type Class Description
    class  HttpClient
    An HTTP Client.
    class  HttpConnectTimeoutException
    Thrown when a connection, over which an HttpRequest is intended to be sent, is not successfully established within a specified time period.
    class  HttpHeaders
    A read-only view of a set of HTTP headers.
    class  HttpRequest
    An HTTP request.
    static class  HttpRequest.BodyPublishers
    Implementations of BodyPublisher that implement various useful publishers, such as publishing the request body from a String, or from a file.
    static class  HttpResponse.BodyHandlers
    Implementations of BodyHandler that implement various useful handlers, such as handling the response body as a String, or streaming the response body to a file.
    static class  HttpResponse.BodySubscribers
    Implementations of BodySubscriber that implement various useful subscribers, such as converting the response body bytes into a String, or streaming the bytes to a file.
    class  HttpTimeoutException
    Thrown when a response is not received within a specified time period.
    class  WebSocketHandshakeException
    Thrown when the opening handshake has failed.
    Methods in java.net.http with parameters of type Object
    Modifier and Type Method Description
    boolean HttpHeaders.equals​(Object obj)
    Tests this HTTP headers instance for equality with the given object.
    boolean HttpRequest.equals​(Object obj)
    Tests this HTTP request instance for equality with the given object.
  • Uses of Object in java.net.spi

    Subclasses of Object in java.net.spi
    Modifier and Type Class Description
    class  URLStreamHandlerProvider
    URL stream handler service-provider class.
  • Uses of Object in java.nio

    Subclasses of Object in java.nio
    Modifier and Type Class Description
    class  Buffer
    A container for data of a specific primitive type.
    class  BufferOverflowException
    Unchecked exception thrown when a relative put operation reaches the target buffer's limit.
    class  BufferUnderflowException
    Unchecked exception thrown when a relative get operation reaches the source buffer's limit.
    class  ByteBuffer
    A byte buffer.
    class  ByteOrder
    A typesafe enumeration for byte orders.
    class  CharBuffer
    A char buffer.
    class  DoubleBuffer
    A double buffer.
    class  FloatBuffer
    A float buffer.
    class  IntBuffer
    An int buffer.
    class  InvalidMarkException
    Unchecked exception thrown when an attempt is made to reset a buffer when its mark is not defined.
    class  LongBuffer
    A long buffer.
    class  MappedByteBuffer
    A direct byte buffer whose content is a memory-mapped region of a file.
    class  ReadOnlyBufferException
    Unchecked exception thrown when a content-mutation method such as put or compact is invoked upon a read-only buffer.
    class  ShortBuffer
    A short buffer.
    Methods in java.nio that return Object
    Modifier and Type Method Description
    abstract Object Buffer.array()
    Returns the array that backs this buffer  (optional operation).
    Methods in java.nio with parameters of type Object
    Modifier and Type Method Description
    boolean ByteBuffer.equals​(Object ob)
    Tells whether or not this buffer is equal to another object.
    boolean CharBuffer.equals​(Object ob)
    Tells whether or not this buffer is equal to another object.
    boolean DoubleBuffer.equals​(Object ob)
    Tells whether or not this buffer is equal to another object.
    boolean FloatBuffer.equals​(Object ob)
    Tells whether or not this buffer is equal to another object.
    boolean IntBuffer.equals​(Object ob)
    Tells whether or not this buffer is equal to another object.
    boolean LongBuffer.equals​(Object ob)
    Tells whether or not this buffer is equal to another object.
    boolean ShortBuffer.equals​(Object ob)
    Tells whether or not this buffer is equal to another object.
  • Uses of Object in java.nio.channels

    Subclasses of Object in java.nio.channels
    Modifier and Type Class Description
    class  AcceptPendingException
    Unchecked exception thrown when an attempt is made to initiate an accept operation on a channel and a previous accept operation has not completed.
    class  AlreadyBoundException
    Unchecked exception thrown when an attempt is made to bind the socket a network oriented channel that is already bound.
    class  AlreadyConnectedException
    Unchecked exception thrown when an attempt is made to connect a SocketChannel that is already connected.
    class  AsynchronousChannelGroup
    A grouping of asynchronous channels for the purpose of resource sharing.
    class  AsynchronousCloseException
    Checked exception received by a thread when another thread closes the channel or the part of the channel upon which it is blocked in an I/O operation.
    class  AsynchronousFileChannel
    An asynchronous channel for reading, writing, and manipulating a file.
    class  AsynchronousServerSocketChannel
    An asynchronous channel for stream-oriented listening sockets.
    class  AsynchronousSocketChannel
    An asynchronous channel for stream-oriented connecting sockets.
    class  CancelledKeyException
    Unchecked exception thrown when an attempt is made to use a selection key that is no longer valid.
    class  Channels
    Utility methods for channels and streams.
    class  ClosedByInterruptException
    Checked exception received by a thread when another thread interrupts it while it is blocked in an I/O operation upon a channel.
    class  ClosedChannelException
    Checked exception thrown when an attempt is made to invoke or complete an I/O operation upon channel that is closed, or at least closed to that operation.
    class  ClosedSelectorException
    Unchecked exception thrown when an attempt is made to invoke an I/O operation upon a closed selector.
    class  ConnectionPendingException
    Unchecked exception thrown when an attempt is made to connect a SocketChannel for which a non-blocking connection operation is already in progress.
    class  DatagramChannel
    A selectable channel for datagram-oriented sockets.
    class  FileChannel
    A channel for reading, writing, mapping, and manipulating a file.
    static class  FileChannel.MapMode
    A file-mapping mode.
    class  FileLock
    A token representing a lock on a region of a file.
    class  FileLockInterruptionException
    Checked exception received by a thread when another thread interrupts it while it is waiting to acquire a file lock.
    class  IllegalBlockingModeException
    Unchecked exception thrown when a blocking-mode-specific operation is invoked upon a channel in the incorrect blocking mode.
    class  IllegalChannelGroupException
    Unchecked exception thrown when an attempt is made to open a channel in a group that was not created by the same provider.
    class  IllegalSelectorException
    Unchecked exception thrown when an attempt is made to register a channel with a selector that was not created by the provider that created the channel.
    class  InterruptedByTimeoutException
    Checked exception received by a thread when a timeout elapses before an asynchronous operation completes.
    class  MembershipKey
    A token representing the membership of an Internet Protocol (IP) multicast group.
    class  NoConnectionPendingException
    Unchecked exception thrown when the finishConnect method of a SocketChannel is invoked without first successfully invoking its connect method.
    class  NonReadableChannelException
    Unchecked exception thrown when an attempt is made to read from a channel that was not originally opened for reading.
    class  NonWritableChannelException
    Unchecked exception thrown when an attempt is made to write to a channel that was not originally opened for writing.
    class  NotYetBoundException
    Unchecked exception thrown when an attempt is made to invoke an I/O operation upon a server socket channel that is not yet bound.
    class  NotYetConnectedException
    Unchecked exception thrown when an attempt is made to invoke an I/O operation upon a socket channel that is not yet connected.
    class  OverlappingFileLockException
    Unchecked exception thrown when an attempt is made to acquire a lock on a region of a file that overlaps a region already locked by the same Java virtual machine, or when another thread is already waiting to lock an overlapping region of the same file.
    class  Pipe
    A pair of channels that implements a unidirectional pipe.
    static class  Pipe.SinkChannel
    A channel representing the writable end of a Pipe.
    static class  Pipe.SourceChannel
    A channel representing the readable end of a Pipe.
    class  ReadPendingException
    Unchecked exception thrown when an attempt is made to read from an asynchronous socket channel and a previous read has not completed.
    class  SelectableChannel
    A channel that can be multiplexed via a Selector.
    class  SelectionKey
    A token representing the registration of a SelectableChannel with a Selector.
    class  Selector
    A multiplexor of SelectableChannel objects.
    class  ServerSocketChannel
    A selectable channel for stream-oriented listening sockets.
    class  ShutdownChannelGroupException
    Unchecked exception thrown when an attempt is made to construct a channel in a group that is shutdown or the completion handler for an I/O operation cannot be invoked because the channel group has terminated.
    class  SocketChannel
    A selectable channel for stream-oriented connecting sockets.
    class  UnresolvedAddressException
    Unchecked exception thrown when an attempt is made to invoke a network operation upon an unresolved socket address.
    class  UnsupportedAddressTypeException
    Unchecked exception thrown when an attempt is made to bind or connect to a socket address of a type that is not supported.
    class  WritePendingException
    Unchecked exception thrown when an attempt is made to write to an asynchronous socket channel and a previous write has not completed.
    Methods in java.nio.channels that return Object
    Modifier and Type Method Description
    Object SelectionKey.attach​(Object ob)
    Attaches the given object to this key.
    Object SelectionKey.attachment()
    Retrieves the current attachment.
    abstract Object SelectableChannel.blockingLock()
    Retrieves the object upon which the configureBlocking and register methods synchronize.
    Methods in java.nio.channels with parameters of type Object
    Modifier and Type Method Description
    Object SelectionKey.attach​(Object ob)
    Attaches the given object to this key.
    abstract SelectionKey SelectableChannel.register​(Selector sel, int ops, Object att)
    Registers this channel with the given selector, returning a selection key.
  • Uses of Object in java.nio.channels.spi

    Subclasses of Object in java.nio.channels.spi
    Modifier and Type Class Description
    class  AbstractInterruptibleChannel
    Base implementation class for interruptible channels.
    class  AbstractSelectableChannel
    Base implementation class for selectable channels.
    class  AbstractSelectionKey
    Base implementation class for selection keys.
    class  AbstractSelector
    Base implementation class for selectors.
    class  AsynchronousChannelProvider
    Service-provider class for asynchronous channels.
    class  SelectorProvider
    Service-provider class for selectors and selectable channels.
    Methods in java.nio.channels.spi with parameters of type Object
    Modifier and Type Method Description
    SelectionKey AbstractSelectableChannel.register​(Selector sel, int ops, Object att)
    Registers this channel with the given selector, returning a selection key.
    protected abstract SelectionKey AbstractSelector.register​(AbstractSelectableChannel ch, int ops, Object att)
    Registers the given channel with this selector.
  • Uses of Object in java.nio.charset

    Subclasses of Object in java.nio.charset
    Modifier and Type Class Description
    class  CharacterCodingException
    Checked exception thrown when a character encoding or decoding error occurs.
    class  Charset
    A named mapping between sequences of sixteen-bit Unicode code units and sequences of bytes.
    class  CharsetDecoder
    An engine that can transform a sequence of bytes in a specific charset into a sequence of sixteen-bit Unicode characters.
    class  CharsetEncoder
    An engine that can transform a sequence of sixteen-bit Unicode characters into a sequence of bytes in a specific charset.
    class  CoderMalfunctionError
    Error thrown when the decodeLoop method of a CharsetDecoder, or the encodeLoop method of a CharsetEncoder, throws an unexpected exception.
    class  CoderResult
    A description of the result state of a coder.
    class  CodingErrorAction
    A typesafe enumeration for coding-error actions.
    class  IllegalCharsetNameException
    Unchecked exception thrown when a string that is not a legal charset name is used as such.
    class  MalformedInputException
    Checked exception thrown when an input byte sequence is not legal for given charset, or an input character sequence is not a legal sixteen-bit Unicode sequence.
    class  StandardCharsets
    Constant definitions for the standard charsets.
    class  UnmappableCharacterException
    Checked exception thrown when an input character (or byte) sequence is valid but cannot be mapped to an output byte (or character) sequence.
    class  UnsupportedCharsetException
    Unchecked exception thrown when no support is available for a requested charset.
    Methods in java.nio.charset with parameters of type Object
    Modifier and Type Method Description
    boolean Charset.equals​(Object ob)
    Tells whether or not this object is equal to another.
  • Uses of Object in java.nio.charset.spi

    Subclasses of Object in java.nio.charset.spi
    Modifier and Type Class Description
    class  CharsetProvider
    Charset service-provider class.
  • Uses of Object in java.nio.file

    Subclasses of Object in java.nio.file
    Modifier and Type Class Description
    class  AccessDeniedException
    Checked exception thrown when a file system operation is denied, typically due to a file permission or other access check.
    class  AtomicMoveNotSupportedException
    Checked exception thrown when a file cannot be moved as an atomic file system operation.
    class  ClosedDirectoryStreamException
    Unchecked exception thrown when an attempt is made to invoke an operation on a directory stream that is closed.
    class  ClosedFileSystemException
    Unchecked exception thrown when an attempt is made to invoke an operation on a file and the file system is closed.
    class  ClosedWatchServiceException
    Unchecked exception thrown when an attempt is made to invoke an operation on a watch service that is closed.
    class  DirectoryIteratorException
    Runtime exception thrown if an I/O error is encountered when iterating over the entries in a directory.
    class  DirectoryNotEmptyException
    Checked exception thrown when a file system operation fails because a directory is not empty.
    class  FileAlreadyExistsException
    Checked exception thrown when an attempt is made to create a file or directory and a file of that name already exists.
    class  Files
    This class consists exclusively of static methods that operate on files, directories, or other types of files.
    class  FileStore
    Storage for files.
    class  FileSystem
    Provides an interface to a file system and is the factory for objects to access files and other objects in the file system.
    class  FileSystemAlreadyExistsException
    Runtime exception thrown when an attempt is made to create a file system that already exists.
    class  FileSystemException
    Thrown when a file system operation fails on one or two files.
    class  FileSystemLoopException
    Checked exception thrown when a file system loop, or cycle, is encountered.
    class  FileSystemNotFoundException
    Runtime exception thrown when a file system cannot be found.
    class  FileSystems
    Factory methods for file systems.
    class  InvalidPathException
    Unchecked exception thrown when path string cannot be converted into a Path because the path string contains invalid characters, or the path string is invalid for other file system specific reasons.
    class  LinkPermission
    The Permission class for link creation operations.
    class  NoSuchFileException
    Checked exception thrown when an attempt is made to access a file that does not exist.
    class  NotDirectoryException
    Checked exception thrown when a file system operation, intended for a directory, fails because the file is not a directory.
    class  NotLinkException
    Checked exception thrown when a file system operation fails because a file is not a symbolic link.
    class  Paths
    This class consists exclusively of static methods that return a Path by converting a path string or URI.
    class  ProviderMismatchException
    Unchecked exception thrown when an attempt is made to invoke a method on an object created by one file system provider with a parameter created by a different file system provider.
    class  ProviderNotFoundException
    Runtime exception thrown when a provider of the required type cannot be found.
    class  ReadOnlyFileSystemException
    Unchecked exception thrown when an attempt is made to update an object associated with a read-only FileSystem.
    class  SimpleFileVisitor<T>
    A simple visitor of files with default behavior to visit all files and to re-throw I/O errors.
    class  StandardWatchEventKinds
    Defines the standard event kinds.
    Fields in java.nio.file with type parameters of type Object
    Modifier and Type Field Description
    static WatchEvent.Kind<Object> StandardWatchEventKinds.OVERFLOW
    A special event to indicate that events may have been lost or discarded.
    Methods in java.nio.file that return Object
    Modifier and Type Method Description
    static Object Files.getAttribute​(Path path, String attribute, LinkOption... options)
    Reads the value of a file attribute.
    abstract Object FileStore.getAttribute​(String attribute)
    Reads the value of a file store attribute.
    Methods in java.nio.file that return types with arguments of type Object
    Modifier and Type Method Description
    static Map<String,​Object> Files.readAttributes​(Path path, String attributes, LinkOption... options)
    Reads a set of file attributes as a bulk operation.
    Methods in java.nio.file with parameters of type Object
    Modifier and Type Method Description
    boolean Path.equals​(Object other)
    Tests this path for equality with the given object.
    static Path Files.setAttribute​(Path path, String attribute, Object value, LinkOption... options)
    Sets the value of a file attribute.
  • Uses of Object in java.nio.file.attribute

    Subclasses of Object in java.nio.file.attribute
    Modifier and Type Class Description
    class  AclEntry
    An entry in an access control list (ACL).
    static class  AclEntry.Builder
    A builder of AclEntry objects.
    class  FileTime
    Represents the value of a file's time stamp attribute.
    class  PosixFilePermissions
    This class consists exclusively of static methods that operate on sets of PosixFilePermission objects.
    class  UserPrincipalLookupService
    An object to lookup user and group principals by name.
    class  UserPrincipalNotFoundException
    Checked exception thrown when a lookup of UserPrincipal fails because the principal does not exist.
    Methods in java.nio.file.attribute that return Object
    Modifier and Type Method Description
    Object BasicFileAttributes.fileKey()
    Returns an object that uniquely identifies the given file, or null if a file key is not available.
    Methods in java.nio.file.attribute with parameters of type Object
    Modifier and Type Method Description
    boolean AclEntry.equals​(Object ob)
    Compares the specified object with this ACL entry for equality.
    boolean FileTime.equals​(Object obj)
    Tests this FileTime for equality with the given object.
  • Uses of Object in java.nio.file.spi

    Subclasses of Object in java.nio.file.spi
    Modifier and Type Class Description
    class  FileSystemProvider
    Service-provider class for file systems.
    class  FileTypeDetector
    A file type detector for probing a file to guess its file type.
    Methods in java.nio.file.spi that return types with arguments of type Object
    Modifier and Type Method Description
    abstract Map<String,​Object> FileSystemProvider.readAttributes​(Path path, String attributes, LinkOption... options)
    Reads a set of file attributes as a bulk operation.
    Methods in java.nio.file.spi with parameters of type Object
    Modifier and Type Method Description
    abstract void FileSystemProvider.setAttribute​(Path path, String attribute, Object value, LinkOption... options)
    Sets the value of a file attribute.
  • Uses of Object in java.rmi

    Subclasses of Object in java.rmi
    Modifier and Type Class Description
    class  AccessException
    An AccessException is thrown by certain methods of the java.rmi.Naming class (specifically bind, rebind, and unbind) and methods of the java.rmi.activation.ActivationSystem interface to indicate that the caller does not have permission to perform the action requested by the method call.
    class  AlreadyBoundException
    An AlreadyBoundException is thrown if an attempt is made to bind an object to a name that already has an associated binding in the registry.
    class  ConnectException
    A ConnectException is thrown if a connection is refused to the remote host for a remote method call.
    class  ConnectIOException
    A ConnectIOException is thrown if an IOException occurs while making a connection to the remote host for a remote method call.
    class  MarshalException
    A MarshalException is thrown if a java.io.IOException occurs while marshalling the remote call header, arguments or return value for a remote method call.
    class  MarshalledObject<T>
    A MarshalledObject contains a byte stream with the serialized representation of an object given to its constructor.
    class  Naming
    The Naming class provides methods for storing and obtaining references to remote objects in a remote object registry.
    class  NoSuchObjectException
    A NoSuchObjectException is thrown if an attempt is made to invoke a method on an object that no longer exists in the remote virtual machine.
    class  NotBoundException
    A NotBoundException is thrown if an attempt is made to lookup or unbind in the registry a name that has no associated binding.
    class  RemoteException
    A RemoteException is the common superclass for a number of communication-related exceptions that may occur during the execution of a remote method call.
    class  RMISecurityException
    Deprecated.
    Use SecurityException instead.
    class  RMISecurityManager
    Deprecated.
    Use SecurityManager instead.
    class  ServerError
    A ServerError is thrown as a result of a remote method invocation when an Error is thrown while processing the invocation on the server, either while unmarshalling the arguments, executing the remote method itself, or marshalling the return value.
    class  ServerException
    A ServerException is thrown as a result of a remote method invocation when a RemoteException is thrown while processing the invocation on the server, either while unmarshalling the arguments or executing the remote method itself.
    class  ServerRuntimeException
    Deprecated.
    no replacement
    class  StubNotFoundException
    A StubNotFoundException is thrown if a valid stub class could not be found for a remote object when it is exported.
    class  UnexpectedException
    An UnexpectedException is thrown if the client of a remote method call receives, as a result of the call, a checked exception that is not among the checked exception types declared in the throws clause of the method in the remote interface.
    class  UnknownHostException
    An UnknownHostException is thrown if a java.net.UnknownHostException occurs while creating a connection to the remote host for a remote method call.
    class  UnmarshalException
    An UnmarshalException can be thrown while unmarshalling the parameters or results of a remote method call if any of the following conditions occur: if an exception occurs while unmarshalling the call header if the protocol for the return value is invalid if a java.io.IOException occurs unmarshalling parameters (on the server side) or the return value (on the client side).
    Methods in java.rmi with parameters of type Object
    Modifier and Type Method Description
    boolean MarshalledObject.equals​(Object obj)
    Compares this MarshalledObject to another object.
  • Uses of Object in java.rmi.activation

    Subclasses of Object in java.rmi.activation
    Modifier and Type Class Description
    class  Activatable
    Deprecated, for removal: This API element is subject to removal in a future version.
    See the java.rmi.activation package specification for further information.
    class  ActivateFailedException
    Deprecated, for removal: This API element is subject to removal in a future version.
    See the java.rmi.activation package specification for further information.
    class  ActivationDesc
    Deprecated, for removal: This API element is subject to removal in a future version.
    See the java.rmi.activation package specification for further information.
    class  ActivationException
    Deprecated, for removal: This API element is subject to removal in a future version.
    See the java.rmi.activation package specification for further information.
    class  ActivationGroup
    Deprecated, for removal: This API element is subject to removal in a future version.
    See the java.rmi.activation package specification for further information.
    class  ActivationGroup_Stub
    Deprecated, for removal: This API element is subject to removal in a future version.
    See the java.rmi.activation package specification for further information.
    class  ActivationGroupDesc
    Deprecated, for removal: This API element is subject to removal in a future version.
    See the java.rmi.activation package specification for further information.
    static class  ActivationGroupDesc.CommandEnvironment
    Deprecated, for removal: This API element is subject to removal in a future version.
    Startup options for ActivationGroup implementations.
    class  ActivationGroupID
    Deprecated, for removal: This API element is subject to removal in a future version.
    See the java.rmi.activation package specification for further information.
    class  ActivationID
    Deprecated, for removal: This API element is subject to removal in a future version.
    See the java.rmi.activation package specification for further information.
    class  UnknownGroupException
    Deprecated, for removal: This API element is subject to removal in a future version.
    See the java.rmi.activation package specification for further information.
    class  UnknownObjectException
    Deprecated, for removal: This API element is subject to removal in a future version.
    See the java.rmi.activation package specification for further information.
    Methods in java.rmi.activation with parameters of type Object
    Modifier and Type Method Description
    boolean ActivationDesc.equals​(Object obj)
    Deprecated, for removal: This API element is subject to removal in a future version.
    Compares two activation descriptors for content equality.
    boolean ActivationGroupDesc.CommandEnvironment.equals​(Object obj)
    Compares two command environments for content equality.
    boolean ActivationGroupDesc.equals​(Object obj)
    Deprecated, for removal: This API element is subject to removal in a future version.
    Compares two activation group descriptors for content equality.
    boolean ActivationGroupID.equals​(Object obj)
    Deprecated, for removal: This API element is subject to removal in a future version.
    Compares two group identifiers for content equality.
    boolean ActivationID.equals​(Object obj)
    Deprecated, for removal: This API element is subject to removal in a future version.
    Compares two activation ids for content equality.
  • Uses of Object in java.rmi.dgc

    Subclasses of Object in java.rmi.dgc
    Modifier and Type Class Description
    class  Lease
    A lease contains a unique VM identifier and a lease duration.
    class  VMID
    A VMID is a identifier that is unique across all Java virtual machines.
    Methods in java.rmi.dgc with parameters of type Object
    Modifier and Type Method