Uses of Interface

Packages that use Constable
This package contains the JDK's extension to the standard implementation of the API and also defines the management interface for some other components of the platform.
A Java API for Stream Control Transport Protocol.
This package defines classes and interfaces for the JDK extensions to the GSS-API.
Provides interfaces to represent documentation comments as abstract syntax trees (AST).
Provides interfaces to represent source code as abstract syntax trees (AST).
Provides utilities for operations on abstract syntax trees (AST).
This package contains the JConsole API.
Contains all of the classes for creating user interfaces and for painting graphics and images.
Provides interfaces and classes for interaction with various desktop capabilities.
Provides interfaces and classes for dealing with different types of events fired by AWT components.
Provides classes and interface relating to fonts.
Provides for system input and output through data streams, serialization and the file system.
Provides classes that are fundamental to the design of the Java programming language.
Provides library support for the Java programming language annotation facility.
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.
The java.lang.invoke package provides low-level primitives for interacting with the Java Virtual Machine.
Provides the management interfaces for monitoring and management of the Java virtual machine and other components in the Java runtime.
Classes to support module descriptors and creating configurations of modules by means of resolution and service binding.
Provides classes for performing arbitrary-precision integer arithmetic (BigInteger) and arbitrary-precision decimal arithmetic (BigDecimal).
Provides the classes for implementing networking applications.
HTTP Client and WebSocket APIs
Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
Interfaces and classes providing access to file and file system attributes.
Provides the classes and interfaces for the security framework.
Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.
Provides the API for accessing and processing data stored in a data source (usually a relational database) using the Java programming language.
Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.
The main API for dates, times, instants, and durations.
Generic API for calendar systems other than the default ISO.
Provides classes to print and parse dates and times.
Access to date and time using fields and units, and date time adjusters.
Support for time-zones and their rules.
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.
Utility classes commonly useful in concurrent programming.
Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.
Types and hierarchies of packages comprising a Java language model, a model of the declarations and types of the Java programming language.
Interfaces used to model elements of the Java programming language.
Interfaces used to model Java programming language types.
Utilities to assist in the processing of program elements and types.
Provides classes for the secure socket package.
Java™ Smart Card I/O API.
Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
Provides for events fired by Swing components.
Provides user interface objects built according to the cross-platform Nimbus look and feel.
Provides the class HTMLEditorKit and supporting classes for creating HTML text editors.
Provides interfaces for tools which can be invoked from a program, for example, compilers.
Provides the classes for implementing XML Catalogs OASIS Standard V1.1, 7 October 2005.
Provides an object-model neutral API for the evaluation of XPath expressions and access to the evaluation environment.
Contains interfaces and classes that are used to link an invokedynamic call site.
Contains interfaces and classes needed by language runtimes to implement their own language-specific object models and type conversions.
Classes to support low-level and efficient foreign memory/function access, directly from Java.

Incubating Feature. Will be removed in a future release.
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.
This package provides classes to create events and control Flight Recorder.
Provides interfaces for creating tools, such as a Read-Eval-Print Loop (REPL), which interactively evaluate "snippets" of Java programming language code.