All Packages
Package Summary
Package
Description
Provides a collection of interfaces and classes that compose the Java Accessibility
 Utilities.
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.
This package defines connections between the virtual machine
 using the JDI and the target virtual machine.
This package comprises the interfaces and classes used to
 develop new 
TransportService
 implementations.This package defines JDI events and event processing.
This package is used to request that a JDI
 event be sent under specified conditions.
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.Provides a simple high-level Http server API, which can be used to build
   embedded HTTP servers.
Provides a pluggable service provider interface, which allows the HTTP server
 implementation to be replaced with other implementations.
A Java API for Stream Control Transport Protocol.
Provides implementations of 
Principal.Provides an implementation of
 
CallbackHandler.Provides an implementation of 
Configuration.Provides implementations of 
LoginModule.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).
Provides the API to attach to a Java virtual machine.
Only developers who are defining new attach providers should need to make
 direct use of this package.
This package provides a legacy entry point for the javac tool.
This package contains the JConsole API.
Provides the classes necessary to create an applet and the classes an applet
 uses to communicate with its applet context.
Contains all of the classes for creating user interfaces and for painting
 graphics and images.
Provides classes for color spaces.
Provides interfaces and classes for transferring data between and within
 applications.
Provides interfaces and classes for interaction with various desktop
 capabilities.
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.
Provides interfaces and classes for dealing with different types of events
 fired by AWT components.
Provides classes and interface relating to fonts.
Provides the Java 2D classes for defining and performing operations on
 objects related to two-dimensional geometry.
Provides classes and interfaces for the input method framework.
Provides interfaces that enable the development of input methods that can be
 used with any Java runtime environment.
Provides classes for creating and modifying images.
Provides classes and interfaces for producing rendering-independent images.
Provides classes and interfaces for a general printing API.
Contains classes related to developing beans -- components based on
 the JavaBeans architecture.
Provides classes and interfaces relating to bean context.
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.Provides low-level access to memory and functions outside the Java runtime.
Provides services that allow Java programming language agents to instrument
 programs running on the Java Virtual Machine (JVM).
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 reference-object classes, which support a limited degree
 of interaction with the garbage collector.
Provides classes and interfaces for obtaining reflective information about
 classes and objects.
The 
java.lang.runtime package provides low-level runtime support
 for the Java language.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
Service-provider classes for the 
java.net package.Defines buffers, which are containers for data, and provides an
 overview of the other NIO packages.
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.
Service-provider classes for the 
java.nio.channels
 package.Defines charsets, decoders, and encoders, for translating between
 bytes and Unicode characters.
Service-provider classes for the 
java.nio.charset package.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.
Service-provider classes for the 
java.nio.file package.Provides the RMI package.
Provides classes and interface for RMI distributed
 garbage-collection (DGC).
Provides a class and two interfaces for the RMI registry.
Provides classes and interfaces for supporting the server side of RMI.
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 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.
Provides classes and interfaces for key specifications and algorithm
 parameter specifications.
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.
Service provider classes for the classes in the java.text package.
 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.
A small toolkit of classes that support lock-free thread-safe
 programming on single variables.
Interfaces and classes providing a framework for locking and waiting
 for conditions that is distinct from built-in synchronization and
 monitors.
Functional interfaces provide target types for lambda expressions
 and method references.
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.
Provides the classes and interfaces of
 the Java 2 platform's core logging facilities.
This package allows applications to store and retrieve user and system
 preference and configuration data.
This package contains classes and interfaces that support a generic API
 for random number generation.
Classes for matching character sequences against patterns specified
 by regular expressions.
Service provider classes for the classes in the java.util package.
Classes to support functional-style operations on streams of elements, such
 as map-reduce transformations on collections.
Provides classes for reading and writing the standard ZIP and GZIP file
 formats.
Defines a contract between user-interface components and an assistive
 technology that provides access to those components.
Facilities for declaring annotation processors and for
 allowing annotation processors to communicate with an annotation processing
 tool environment.
Provides the classes and interfaces for cryptographic
 operations.
Provides interfaces for Diffie-Hellman keys as defined in RSA
 Laboratories' PKCS #3.
Provides classes and interfaces for key specifications and
 algorithm parameter specifications.
The main package of the Java Image I/O API.
A package of the Java Image I/O API dealing with synchronous notification of
 events during the reading and writing of images.
A package of the Java Image I/O API dealing with reading and writing
 metadata.
Package containing the public classes used by the built-in BMP plug-in.
Classes supporting the built-in JPEG plug-in.
Public classes used by the built-in TIFF plug-ins.
A package of the Java Image I/O API containing the plug-in interfaces for
 readers, writers, transcoders, and streams, and a runtime registry.
A package of the Java Image I/O API dealing with low-level I/O from files and
 streams.
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 the core classes for the Java Management Extensions.
Provides the classes which implement advanced dynamic
        loading.
Provides the definition of the ModelMBean classes.
Provides the definition of the monitor classes.
Provides the open data types and Open MBean descriptor classes.
Provides the definition of the Relation Service.
Interfaces for remote access to
        JMX MBean servers.
The RMI connector is a connector for the JMX Remote API that
      uses RMI to transmit client requests to a remote MBean server.
Provides the definition of the Timer MBean.
Provides the classes and interfaces for accessing naming services.
Extends the 
javax.naming package to provide functionality
for accessing directory services.Provides support for event notification when accessing naming and
directory services.
Provides support for LDAPv3 extended operations and controls.
Provides the means for dynamically plugging in support for accessing
naming and directory services through the 
javax.naming
and related packages.Provides classes for networking applications.
Provides classes for the secure socket package.
Provides the principal classes and interfaces for the Java Print
 Service API.
Provides classes and interfaces that describe the types of Java Print
 Service attributes and how they can be collected into attribute sets.
Package 
javax.print.attribute.standard contains classes for specific
 printing attributes.Package 
javax.print.event contains event classes and listener
 interfaces.Provides implementations of 
RMIClientSocketFactory
 and RMIServerSocketFactory over
 the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols.The scripting API consists of interfaces and classes that define
Java Scripting Engines and provides
a framework for their use in Java applications.
This package provides a framework for authentication and
 authorization.
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).
This package contains utility classes related to the Kerberos network
 authentication protocol.
This package provides a pluggable authentication framework.
This package provides the interface to be used for
 implementing pluggable authentication modules.
This package contains the classes that should be used to store
 X500 Principal and X500 Private Credentials in a
 Subject.
Provides classes for public key certificates.
Contains class and interfaces for supporting SASL.
Java™ Smart Card I/O API.
Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI
 (Musical Instrument Digital Interface) data.
Supplies interfaces for service providers to implement when offering new MIDI
 devices, MIDI file readers and writers, or sound bank readers.
Provides interfaces and classes for capture, processing, and playback of
 sampled audio data.
Supplies abstract classes for service providers to subclass when offering new
 audio devices, sound file readers and writers, or audio format converters.
Provides the API for server side data source access and processing from
 the Java programming language.
Standard interfaces and base classes for JDBC 
RowSet
 implementations.Provides utility classes to allow serializable mappings between SQL types
 and data types in the Java programming language.
The standard classes and interfaces that a third party vendor has to
 use in its implementation of a synchronization provider.
Provides a set of "lightweight" (all-Java language) components
 that, to the maximum degree possible, work the same on all platforms.
Provides classes and interface for drawing specialized borders around a Swing
 component.
Contains classes and interfaces used by the 
JColorChooser component.Provides for events fired by Swing components.
Contains classes and interfaces used by the 
JFileChooser component.Provides one interface and many abstract classes that Swing uses to provide
 its pluggable look-and-feel capabilities.
Provides user interface objects built according to the Basic look and feel.
Provides user interface objects built according to the Java look and feel
 (once codenamed Metal), which is the default look and feel.
Provides user interface objects that combine two or more look and feels.
Provides user interface objects built according to the cross-platform Nimbus
 look and feel.
Synth is a skinnable look and feel in which all painting is delegated.
Provides classes and interfaces for dealing with 
javax.swing.JTable.Provides classes and interfaces that deal with editable and noneditable text
 components.
Provides the class 
HTMLEditorKit and supporting classes for creating
 HTML text editors.Provides the default HTML parser, along with support classes.
Provides a class (
RTFEditorKit) for creating Rich-Text-Format text
 editors.Provides classes and interfaces for dealing with 
javax.swing.JTree.Allows developers to provide support for undo/redo in applications such as
 text editors.
Provides interfaces for tools which can be invoked from a program,
 for example, compilers.
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.
Defines constants for XML processing.
Provides the classes for implementing
 
     XML Catalogs OASIS Standard V1.1, 7 October 2005.
Common classes for XML cryptography.
DOM-specific classes for the 
javax.xml.crypto package.Classes for generating and validating XML digital
 signatures.
DOM-specific classes for the 
javax.xml.crypto.dsig package.Classes for parsing and processing 
KeyInfo elements and structures.Parameter classes for XML digital signatures.
 Defines XML/Java Type Mappings.
 Defines XML Namespace processing.
 Provides the classes for processing XML documents with a SAX (Simple API for XML)
 parser or a DOM (Document Object Model) Document builder.
 Defines interfaces and classes for the Streaming API for XML (StAX).
Defines event interfaces for the Streaming API for XML (StAX).
Provides utility classes for the Streaming API for XML (StAX).
Defines the generic APIs for processing transformation instructions,
 and performing a transformation from source to result.
Provides DOM specific transformation classes.
Provides SAX specific transformation classes.
Provides StAX specific transformation classes.
Provides stream and URI specific transformation classes.
 Provides an API for validation of XML documents.
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 the linker for ordinary Java objects.
 Contains interfaces and classes needed by language runtimes to implement
 their own language-specific object models and type conversions.
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.
Contains classes that make using Dynalink more convenient by providing
 basic implementations of some classes as well as various utilities.
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.
This package contains classes for consuming Flight Recorder data.
Provides interfaces for creating tools, such as a Read-Eval-Print Loop (REPL),
 which interactively evaluate "snippets" of Java programming language code.
Provides implementation support for building JShell execution engines.
Defines the Service Provider Interface for pluggable JShell execution engines.
Provides a mechanism to launch an instance of a Java shell tool.
This package contains classes to control and monitor Flight Recorder over Java Management Extensions (JMX).
Platform specific socket options for the 
java.net and java.nio.channels
 socket classes.Defines JDK-specific 
channel APIs.This package defines APIs for signing jar files.
 Provides Java code the ability to access the JavaScript engine and the
 HTML DOM in the web browser.
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.
Provides the interfaces for the Document Object Model (DOM).
Provides a factory for obtaining instances of 
DOMImplementation.Provides interfaces for DOM Level 2 Style Specification.
 Provides interfaces for DOM Level 2 Events.
Provides interfaces for DOM Level 2 HTML Specification.
 Provides interfaces for DOM Level 3 Load and Save.
 Provides interfaces for DOM Level 2 Range.
Provides interfaces for DOM Level 2 Style Specification.
 Provides interfaces for DOM Level 2 Traversal.
Provides interfaces for DOM Level 2 Views.
Provides interfaces for DOM Level 3 XPath Specification.
Provides the interfaces for the Simple API for XML (SAX).
Provides interfaces to SAX2 facilities that
 conformant SAX drivers won't necessarily support.
Provides helper classes, including
 support for bootstrapping SAX-based applications.