Uses of Package
java.lang

Packages that use java.lang
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.event
This package defines JDI events and event processing.
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.doctree
Provides interfaces to represent documentation comments as abstract syntax trees (AST).
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.interfaces
Provides interfaces for generating RSA (Rivest, Shamir and Adleman AsymmetricCipher algorithm) keys as defined in the RSA Laboratory Technical Note PKCS#1, and DSA (Digital Signature Algorithm) keys as defined in NIST's FIPS-186.
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.interfaces
Provides interfaces for Diffie-Hellman keys as defined in RSA Laboratories' PKCS #3.
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.event
A package of the Java Image I/O API dealing with synchronous notification of events during the reading and writing of images.
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.spi
This package provides the interface to be used for implementing pluggable authentication modules.
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.jfr.internal  
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.jshell.tool
Provides a mechanism to launch an instance of a Java shell tool.
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.css
Provides interfaces for DOM Level 2 Style Specification.
org.w3c.dom.events
Provides interfaces for DOM Level 2 Events.
org.w3c.dom.html
Provides interfaces for DOM Level 2 HTML Specification.
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.stylesheets
Provides interfaces for DOM Level 2 Style Specification.
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.
  • Classes in java.lang used by com.sun.jarsigner
    Class Description
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by com.sun.java.accessibility.util
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by com.sun.jdi
    Class Description
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Object
    Class Object is the root of the class hierarchy.
    Process
    Process provides control of native processes started by ProcessBuilder.start and Runtime.exec.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
    UnsupportedOperationException
    Thrown to indicate that the requested operation is not supported.
  • Classes in java.lang used by com.sun.jdi.connect
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Process
    Process provides control of native processes started by ProcessBuilder.start and Runtime.exec.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by com.sun.jdi.connect.spi
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by com.sun.jdi.event
    Class Description
    InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    String
    The String class represents character strings.
  • Classes in java.lang used by com.sun.jdi.request
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by com.sun.management
    Class Description
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by com.sun.net.httpserver
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by com.sun.net.httpserver.spi
    Class Description
    Object
    Class Object is the root of the class hierarchy.
  • Classes in java.lang used by com.sun.nio.sctp
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by com.sun.security.auth
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by com.sun.security.auth.callback
    Class Description
    Object
    Class Object is the root of the class hierarchy.
  • Classes in java.lang used by com.sun.security.auth.login
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
  • Classes in java.lang used by com.sun.security.auth.module
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by com.sun.security.jgss
    Class Description
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by com.sun.source.doctree
    Class Description
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    String
    The String class represents character strings.
  • Classes in java.lang used by com.sun.source.tree
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by com.sun.source.util
    Class Description
    CharSequence
    A CharSequence is a readable sequence of char values.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by com.sun.tools.attach
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by com.sun.tools.attach.spi
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by com.sun.tools.javac
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by com.sun.tools.jconsole
    Class Description
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by java.applet
    Class Description
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by java.awt
    Class Description
    Character
    The Character class wraps a value of the primitive type char in an object.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    FunctionalInterface
    An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
    IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
    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.
    InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
    NullPointerException
    Thrown when an application attempts to use null in a case where an object is required.
    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.
    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.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    SecurityException
    Thrown by the security manager to indicate a security violation.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
    UnsupportedOperationException
    Thrown to indicate that the requested operation is not supported.
  • Classes in java.lang used by java.awt.color
    Class Description
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.awt.datatransfer
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that 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.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.awt.desktop
    Class Description
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by java.awt.dnd
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.awt.event
    Class Description
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.awt.font
    Class Description
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Float
    The Float class wraps a value of primitive type float in an object.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by java.awt.geom
    Class Description
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.awt.im
    Class Description
    Character.Subset
    Instances of this class represent particular subsets of the Unicode character set.
    Object
    Class Object is the root of the class hierarchy.
  • Classes in java.lang used by java.awt.im.spi
    Class Description
    Character.Subset
    Instances of this class represent particular subsets of the Unicode character set.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by java.awt.image
    Class Description
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.awt.image.renderable
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Object
    Class Object is the root of the class hierarchy.
    Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by java.awt.print
    Class Description
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    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.
    NullPointerException
    Thrown when an application attempts to use null in a case where an object is required.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.beans
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    SecurityException
    Thrown by the security manager to indicate a security violation.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.beans.beancontext
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by java.io
    Class Description
    Appendable
    An object to which char sequences and values can be appended.
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    CharSequence
    A CharSequence is a readable sequence of char values.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    FunctionalInterface
    An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Readable
    A Readable is a source of characters.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    SecurityException
    Thrown by the security manager to indicate a security violation.
    String
    The String class represents character strings.
    StringBuffer
    A thread-safe, mutable sequence of characters.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.lang
    Class Description
    Appendable
    An object to which char sequences and values can be appended.
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Byte
    The Byte class wraps a value of primitive type byte in an object.
    Character
    The Character class wraps a value of the primitive type char in an object.
    Character.Subset
    Instances of this class represent particular subsets of the Unicode character set.
    Character.UnicodeBlock
    A family of character subsets representing the character blocks in the Unicode specification.
    Character.UnicodeScript
    A family of character subsets representing the character scripts defined in the Unicode Standard Annex #24: Script Names.
    CharSequence
    A CharSequence is a readable sequence of char values.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    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.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class 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.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Double
    The Double class wraps a value of the primitive type double in an object.
    Enum
    This is the common base class of all Java language enumeration types.
    Enum.EnumDesc
    A nominal descriptor for an enum constant.
    Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Float
    The Float class wraps a value of primitive type float in an object.
    FunctionalInterface
    An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
    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.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    IncompatibleClassChangeError
    Thrown when an incompatible class change has occurred to some class definition.
    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.
    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.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    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.
    Long
    The Long class wraps a value of the primitive type long in an object.
    Module
    Represents a run-time module, either named or unnamed.
    ModuleLayer
    A layer of modules in the Java virtual machine.
    ModuleLayer.Controller
    Controls a module layer.
    NoSuchFieldException
    Signals that the class doesn't have a field of a specified name.
    NoSuchMethodException
    Thrown when a particular method cannot be found.
    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.
    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.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Package
    Represents metadata about a run-time package associated with a class loader.
    Process
    Process provides control of native processes started by ProcessBuilder.start and Runtime.exec.
    ProcessBuilder
    This class is used to create operating system processes.
    ProcessBuilder.Redirect
    Represents a source of subprocess input or a destination of subprocess output.
    ProcessBuilder.Redirect.Type
    ProcessHandle
    ProcessHandle identifies and provides control of native processes.
    ProcessHandle.Info
    Information snapshot about the process.
    ReflectiveOperationException
    Common superclass of exceptions thrown by reflective operations in core reflection.
    Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
    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.
    Runtime.Version
    A representation of a version string for an implementation of the Java SE Platform.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    SecurityException
    Thrown by the security manager to indicate a security violation.
    SecurityManager
    The security manager is a class that allows applications to implement a security policy.
    Short
    The Short class wraps a value of primitive type short in an object.
    StackTraceElement
    An element in a stack trace, as returned by Throwable.getStackTrace().
    StackWalker
    A stack walker.
    StackWalker.Option
    Stack walker option to configure the stack frame information obtained by a StackWalker.
    StackWalker.StackFrame
    A StackFrame object represents a method invocation returned by StackWalker.
    String
    The String class represents character strings.
    StringBuffer
    A thread-safe, mutable sequence of characters.
    StringBuilder
    A mutable sequence of characters.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    System.Logger
    System.Logger instances log messages that will be routed to the underlying logging framework the LoggerFinder uses.
    System.Logger.Level
    System loggers levels.
    System.LoggerFinder
    The LoggerFinder service is responsible for creating, managing, and configuring loggers to the underlying framework it uses.
    Thread
    A thread is a thread of execution in a program.
    Thread.State
    A thread state.
    Thread.UncaughtExceptionHandler
    Interface for handlers invoked when a Thread abruptly terminates due to an uncaught exception.
    ThreadGroup
    A thread group represents a set of threads.
    ThreadLocal
    This class provides thread-local variables.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
    VirtualMachineError
    Thrown to indicate that the Java Virtual Machine is broken or has run out of resources necessary for it to continue operating.
    Void
    The Void class is an uninstantiable placeholder class to hold a reference to the Class object representing the Java keyword void.
  • Classes in java.lang used by java.lang.annotation
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.lang.constant
    Class Description
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    ReflectiveOperationException
    Common superclass of exceptions thrown by reflective operations in core reflection.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.lang.instrument
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Module
    Represents a run-time module, either named or unnamed.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.lang.invoke
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassCastException
    Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Enum
    This is the common base class of all Java language enumeration types.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    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.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    NoSuchFieldException
    Signals that the class doesn't have a field of a specified name.
    NoSuchMethodException
    Thrown when a particular method cannot be found.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    ReflectiveOperationException
    Common superclass of exceptions thrown by reflective operations in core reflection.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
    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.
  • Classes in java.lang used by java.lang.management
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Object
    Class Object is the root of the class hierarchy.
    StackTraceElement
    An element in a stack trace, as returned by Throwable.getStackTrace().
    String
    The String class represents character strings.
    Thread.State
    A thread state.
  • Classes in java.lang used by java.lang.module
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.lang.ref
    Class Description
    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.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
  • Classes in java.lang used by java.lang.reflect
    Class Description
    ArrayIndexOutOfBoundsException
    Thrown to indicate that an array has been accessed with an illegal index.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    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.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    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.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    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.
    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.
    NegativeArraySizeException
    Thrown if an application tries to create an array with negative size.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    ReflectiveOperationException
    Common superclass of exceptions thrown by reflective operations in core reflection.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.lang.runtime
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.math
    Class Description
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    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.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by java.net
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Package
    Represents metadata about a run-time package associated with a class loader.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.net.http
    Class Description
    CharSequence
    A CharSequence is a readable sequence of char values.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    FunctionalInterface
    An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
    InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
    Void
    The Void class is an uninstantiable placeholder class to hold a reference to the Class object representing the Java keyword void.
  • Classes in java.lang used by java.net.spi
    Class Description
    Object
    Class Object is the root of the class hierarchy.
  • Classes in java.lang used by java.nio
    Class Description
    Appendable
    An object to which char sequences and values can be appended.
    CharSequence
    A CharSequence is a readable sequence of char values.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Readable
    A Readable is a source of characters.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
    UnsupportedOperationException
    Thrown to indicate that the requested operation is not supported.
  • Classes in java.lang used by java.nio.channels
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
    Long
    The Long class wraps a value of the primitive type long in an object.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
    Void
    The Void class is an uninstantiable placeholder class to hold a reference to the Class object representing the Java keyword void.
  • Classes in java.lang used by java.nio.channels.spi
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Object
    Class Object is the root of the class hierarchy.
  • Classes in java.lang used by java.nio.charset
    Class Description
    CharSequence
    A CharSequence is a readable sequence of char values.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.nio.charset.spi
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by java.nio.file
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    CharSequence
    A CharSequence is a readable sequence of char values.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    FunctionalInterface
    An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
    InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
    UnsupportedOperationException
    Thrown to indicate that the requested operation is not supported.
  • Classes in java.lang used by java.nio.file.attribute
    Class Description
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.nio.file.spi
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by java.rmi
    Class Description
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    SecurityException
    Thrown by the security manager to indicate a security violation.
    SecurityManager
    The security manager is a class that allows applications to implement a security policy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.rmi.activation
    Class Description
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.rmi.dgc
    Class Description
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by java.rmi.registry
    Class Description
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by java.rmi.server
    Class Description
    Appendable
    An object to which char sequences and values can be appended.
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class 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.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    SecurityException
    Thrown by the security manager to indicate a security violation.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.security
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that 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.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    FunctionalInterface
    An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    SecurityException
    Thrown by the security manager to indicate a security violation.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.security.cert
    Class Description
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.security.interfaces
    Class Description
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by java.security.spec
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.sql
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.text
    Class Description
    CharSequence
    A CharSequence is a readable sequence of char values.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    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.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    StringBuffer
    A thread-safe, mutable sequence of characters.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.text.spi
    Class Description
    Object
    Class Object is the root of the class hierarchy.
  • Classes in java.lang used by java.time
    Class Description
    CharSequence
    A CharSequence is a readable sequence of char values.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.time.chrono
    Class Description
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Long
    The Long class wraps a value of the primitive type long in an object.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by java.time.format
    Class Description
    Appendable
    An object to which char sequences and values can be appended.
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    CharSequence
    A CharSequence is a readable sequence of char values.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Long
    The Long class wraps a value of the primitive type long in an object.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.time.temporal
    Class Description
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    FunctionalInterface
    An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
    Long
    The Long class wraps a value of the primitive type long in an object.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.time.zone
    Class Description
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.util
    Class Description
    Appendable
    An object to which char sequences and values can be appended.
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Character
    The Character class wraps a value of the primitive type char in an object.
    CharSequence
    A CharSequence is a readable sequence of char values.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that 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.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Double
    The Double class wraps a value of the primitive type double in an object.
    Enum
    This is the common base class of all Java language enumeration types.
    Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    FunctionalInterface
    An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
    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.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
    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.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Long
    The Long class wraps a value of the primitive type long in an object.
    Module
    Represents a run-time module, either named or unnamed.
    ModuleLayer
    A layer of modules in the Java virtual machine.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Readable
    A Readable is a source of characters.
    Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    SafeVarargs
    A programmer assertion that the body of the annotated method or constructor does not perform potentially unsafe operations on its varargs parameter.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.util.concurrent
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    FunctionalInterface
    An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
    IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
    InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Thread
    A thread is a thread of execution in a program.
    Thread.UncaughtExceptionHandler
    Interface for handlers invoked when a Thread abruptly terminates due to an uncaught exception.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
    Void
    The Void class is an uninstantiable placeholder class to hold a reference to the Class object representing the Java keyword void.
  • Classes in java.lang used by java.util.concurrent.atomic
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    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.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by java.util.concurrent.locks
    Class Description
    InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Thread
    A thread is a thread of execution in a program.
  • Classes in java.lang used by java.util.function
    Class Description
    FunctionalInterface
    An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
    Object
    Class Object is the root of the class hierarchy.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by java.util.jar
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Runtime.Version
    A representation of a version string for an implementation of the Java SE Platform.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.util.logging
    Class Description
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    FunctionalInterface
    An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
    SecurityException
    Thrown by the security manager to indicate a security violation.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.util.prefs
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    FunctionalInterface
    An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.util.regex
    Class Description
    CharSequence
    A CharSequence is a readable sequence of char values.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    StringBuffer
    A thread-safe, mutable sequence of characters.
    StringBuilder
    A mutable sequence of characters.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by java.util.spi
    Class Description
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
  • Classes in java.lang used by java.util.stream
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    CharSequence
    A CharSequence is a readable sequence of char values.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Double
    The Double class wraps a value of the primitive type double in an object.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Long
    The Long class wraps a value of the primitive type long in an object.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
    SafeVarargs
    A programmer assertion that the body of the annotated method or constructor does not perform potentially unsafe operations on its varargs parameter.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by java.util.zip
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    InternalError
    Thrown to indicate some unexpected internal error has occurred in the Java Virtual Machine.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
    VirtualMachineError
    Thrown to indicate that the Java Virtual Machine is broken or has run out of resources necessary for it to continue operating.
  • Classes in java.lang used by javax.accessibility
    Class Description
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    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.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.annotation.processing
    Class Description
    CharSequence
    A CharSequence is a readable sequence of char values.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.crypto
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that 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.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.crypto.interfaces
    Class Description
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.crypto.spec
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.imageio
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
    UnsupportedOperationException
    Thrown to indicate that the requested operation is not supported.
  • Classes in java.lang used by javax.imageio.event
    Class Description
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.imageio.metadata
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.imageio.plugins.bmp
    Class Description
    Object
    Class Object is the root of the class hierarchy.
  • Classes in java.lang used by javax.imageio.plugins.jpeg
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.imageio.plugins.tiff
    Class Description
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that 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.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.imageio.spi
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.imageio.stream
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.lang.model
    Class Description
    CharSequence
    A CharSequence is a readable sequence of char values.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.lang.model.element
    Class Description
    CharSequence
    A CharSequence is a readable sequence of char values.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.lang.model.type
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.lang.model.util
    Class Description
    CharSequence
    A CharSequence is a readable sequence of char values.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.management
    Class Description
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    NullPointerException
    Thrown when an application attempts to use null in a case where an object is required.
    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.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.management.loading
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    UnsupportedOperationException
    Thrown to indicate that the requested operation is not supported.
  • Classes in java.lang used by javax.management.modelmbean
    Class Description
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.management.monitor
    Class Description
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    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.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.management.openmbean
    Class Description
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Byte
    The Byte class wraps a value of primitive type byte in an object.
    Character
    The Character class wraps a value of the primitive type char in an object.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Double
    The Double class wraps a value of the primitive type double in an object.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Float
    The Float class wraps a value of primitive type float in an object.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Long
    The Long class wraps a value of the primitive type long in an object.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    Short
    The Short class wraps a value of primitive type short in an object.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
    Void
    The Void class is an uninstantiable placeholder class to hold a reference to the Class object representing the Java keyword void.
  • Classes in java.lang used by javax.management.relation
    Class Description
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    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.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    NoSuchMethodException
    Thrown when a particular method cannot be found.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.management.remote
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.management.remote.rmi
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.management.timer
    Class Description
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Long
    The Long class wraps a value of the primitive type long in an object.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.naming
    Class Description
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.naming.directory
    Class Description
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.naming.event
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.naming.ldap
    Class Description
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.naming.ldap.spi
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.naming.spi
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.net
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.net.ssl
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.print
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.print.attribute
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.print.attribute.standard
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.print.event
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.rmi.ssl
    Class Description
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.script
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    NoSuchMethodException
    Thrown when a particular method cannot be found.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.security.auth
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.security.auth.callback
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.security.auth.kerberos
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.security.auth.login
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.security.auth.spi
    Class Description
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.security.auth.x500
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.security.cert
    Class Description
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.security.sasl
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.smartcardio
    Class Description
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.sound.midi
    Class Description
    ArrayIndexOutOfBoundsException
    Thrown to indicate that an array has been accessed with an illegal index.
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.sound.midi.spi
    Class Description
    Object
    Class Object is the root of the class hierarchy.
  • Classes in java.lang used by javax.sound.sampled
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.sound.sampled.spi
    Class Description
    Object
    Class Object is the root of the class hierarchy.
  • Classes in java.lang used by javax.sql
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.sql.rowset
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.sql.rowset.serial
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.sql.rowset.spi
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.swing
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Character
    The Character class wraps a value of the primitive type char in an object.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that 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.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    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.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
    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.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    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.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
    SafeVarargs
    A programmer assertion that the body of the annotated method or constructor does not perform potentially unsafe operations on its varargs parameter.
    SecurityException
    Thrown by the security manager to indicate a security violation.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.swing.border
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.swing.colorchooser
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.swing.event
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.swing.filechooser
    Class Description
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.swing.plaf
    Class Description
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.swing.plaf.basic
    Class Description
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.swing.plaf.metal
    Class Description
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.swing.plaf.multi
    Class Description
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.swing.plaf.nimbus
    Class Description
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.swing.plaf.synth
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.swing.table
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.swing.text
    Class Description
    CharSequence
    A CharSequence is a readable sequence of char values.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that 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.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Thread
    A thread is a thread of execution in a program.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.swing.text.html
    Class Description
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.swing.text.html.parser
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    StringBuffer
    A thread-safe, mutable sequence of characters.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.swing.text.rtf
    Class Description
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by javax.swing.tree
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that 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.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.swing.undo
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.tools
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    CharSequence
    A CharSequence is a readable sequence of char values.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.transaction.xa
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.xml
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.xml.catalog
    Class Description
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.xml.crypto
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.xml.crypto.dom
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.xml.crypto.dsig
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.xml.crypto.dsig.dom
    Class Description
    Object
    Class Object is the root of the class hierarchy.
  • Classes in java.lang used by javax.xml.crypto.dsig.keyinfo
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.xml.crypto.dsig.spec
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.xml.datatype
    Class Description
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    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.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.xml.namespace
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.xml.parsers
    Class Description
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.xml.stream
    Class Description
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.xml.stream.events
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.xml.stream.util
    Class Description
    Object
    Class Object is the root of the class hierarchy.
  • Classes in java.lang used by javax.xml.transform
    Class Description
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.xml.transform.dom
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.xml.transform.sax
    Class Description
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.xml.transform.stax
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.xml.transform.stream
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
  • Classes in java.lang used by javax.xml.validation
    Class Description
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by javax.xml.xpath
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassLoader
    A class loader is an object that is responsible for loading classes.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by jdk.dynalink.beans
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    FunctionalInterface
    An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by jdk.dynalink.linker
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    FunctionalInterface
    An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by jdk.dynalink.linker.support
    Class Description
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Iterable
    Implementing this interface allows an object to be the target of the enhanced for statement (sometimes called the "for-each loop" statement).
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by jdk.dynalink.support
    Class Description
    Object
    Class Object is the root of the class hierarchy.
  • Classes in java.lang used by jdk.incubator.foreign
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
    String
    The String class represents character strings.
    Thread
    A thread is a thread of execution in a program.
  • Classes in java.lang used by jdk.internal.event
    Class Description
    Object
    Class Object is the root of the class hierarchy.
  • Classes in java.lang used by jdk.javadoc.doclet
    Class Description
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by jdk.jfr
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
    SecurityException
    Thrown by the security manager to indicate a security violation.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  • Classes in java.lang used by jdk.jfr.consumer
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by jdk.jfr.internal
    Class Description
    Object
    Class Object is the root of the class hierarchy.
  • Classes in java.lang used by jdk.jshell
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by jdk.jshell.execution
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    Process
    Process provides control of native processes started by ProcessBuilder.start and Runtime.exec.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by jdk.jshell.spi
    Class Description
    AutoCloseable
    An object that may hold resources (such as file or socket handles) until it is closed.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    StackTraceElement
    An element in a stack trace, as returned by Throwable.getStackTrace().
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by jdk.jshell.tool
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    String
    The String class represents character strings.
  • Classes in java.lang used by jdk.management.jfr
    Class Description
    IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
    IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
    Object
    Class Object is the root of the class hierarchy.
    Override
    Indicates that a method declaration is intended to override a method declaration in a supertype.
    SecurityException
    Thrown by the security manager to indicate a security violation.
    String
    The String class represents character strings.
  • Classes in java.lang used by jdk.net
    Class Description
    Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
    Class
    Instances of the class Class represent classes and interfaces in a running Java application.
    Integer
    The Integer class wraps a value of the primitive type int in an object.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by jdk.nio
    Class Description
    Object
    Class Object is the root of the class hierarchy.
  • Classes in java.lang used by jdk.nio.mapmode
    Class Description
    Object
    Class Object is the root of the class hierarchy.
  • Classes in java.lang used by jdk.security.jarsigner
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by netscape.javascript
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by org.ietf.jgss
    Class Description
    Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by org.w3c.dom
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by org.w3c.dom.bootstrap
    Class Description
    ClassCastException
    Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class 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.
    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.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by org.w3c.dom.css
    Class Description
    String
    The String class represents character strings.
  • Classes in java.lang used by org.w3c.dom.events
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by org.w3c.dom.html
    Class Description
    String
    The String class represents character strings.
  • Classes in java.lang used by org.w3c.dom.ls
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by org.w3c.dom.ranges
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by org.w3c.dom.stylesheets
    Class Description
    String
    The String class represents character strings.
  • Classes in java.lang used by org.w3c.dom.xpath
    Class Description
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by org.xml.sax
    Class Description
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
  • Classes in java.lang used by org.xml.sax.ext
    Class Description
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
  • Classes in java.lang used by org.xml.sax.helpers
    Class Description
    ClassCastException
    Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance.
    ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
    Deprecated
    A program element annotated @Deprecated is one that programmers are discouraged from using.
    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.
    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.
    NullPointerException
    Thrown when an application attempts to use null in a case where an object is required.
    Object
    Class Object is the root of the class hierarchy.
    String
    The String class represents character strings.
    SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).