Overview

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.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.instrument

Provides services that allow Java programming language agents to instrument programs running on the JVM.

java.lang.invoke

The java.lang.invoke package contains dynamic language support provided directly by the Java core class libraries and 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.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.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.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.acl

The classes and interfaces in this package have been superseded by classes in the java.security package.

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 ^TM 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, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array).

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 ^TM 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.activation

javax.activity

Contains Activity service related exceptions thrown by the ORB machinery during unmarshalling.

javax.annotation

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.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.jws

javax.jws.soap

javax.lang.model

Classes and hierarchies of packages used to model 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.spi

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 ^TM Print Service API.

javax.print.attribute

Provides classes and interfaces that describe the types of Java ^TM 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

Contains user APIs for RMI-IIOP.

javax.rmi.CORBA

Contains portability APIs for RMI-IIOP.

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 ^TM 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 ^TM 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

Contains three exceptions thrown by the ORB machinery during unmarshalling.

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

javax.xml.bind

Provides a runtime binding framework for client applications including unmarshalling, marshalling, and validation capabilities.

javax.xml.bind.annotation

Defines annotations for customizing Java program elements to XML Schema mapping.

javax.xml.bind.annotation.adapters

XmlAdapter and its spec-defined sub-classes to allow arbitrary Java classes to be used with JAXB.

javax.xml.bind.attachment

This package is implemented by a MIME-based package processor that enables the interpretation and creation of optimized binary data within an MIME-based package format.

javax.xml.bind.helpers

JAXB Provider Use Only: Provides partial default implementations for some of the javax.xml.bind interfaces.

javax.xml.bind.util

Useful client utility classes.

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

XML/Java Type Mappings.

javax.xml.namespace

XML Namespace processing.

javax.xml.parsers

Provides classes allowing the processing of XML documents.

javax.xml.soap

Provides the API for creating and building SOAP messages.

javax.xml.stream

javax.xml.stream.events

javax.xml.stream.util

javax.xml.transform

This package defines the generic APIs for processing transformation instructions, and performing a transformation from source to result.

javax.xml.transform.dom

This package implements DOM-specific transformation APIs.

javax.xml.transform.sax

This package implements SAX2-specific transformation APIs.

javax.xml.transform.stax

Provides for StAX-specific transformation APIs.

javax.xml.transform.stream

This package implements stream- and URI- specific transformation APIs.

javax.xml.validation

This package provides an API for validation of XML documents.

javax.xml.ws

This package contains the core JAX-WS APIs.

javax.xml.ws.handler

This package defines APIs for message handlers.

javax.xml.ws.handler.soap

This package defines APIs for SOAP message handlers.

javax.xml.ws.http

This package defines APIs specific to the HTTP binding.

javax.xml.ws.soap

This package defines APIs specific to the SOAP binding.

javax.xml.ws.spi

This package defines SPIs for JAX-WS.

javax.xml.ws.spi.http

Provides HTTP SPI that is used for portable deployment of JAX-WS web services in containers(for e.g.

javax.xml.ws.wsaddressing

This package defines APIs related to WS-Addressing.

javax.xml.xpath

This package provides an object-model neutral API for the evaluation of XPath expressions and access to the evaluation environment.

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.omg.CORBA

Provides the mapping of the OMG CORBA APIs to the Java ^TM programming language, including the class ORB, which is implemented so that a programmer can use it as a fully-functional Object Request Broker (ORB).

org.omg.CORBA_2_3

The CORBA_2_3 package defines additions to existing CORBA interfaces in the Java[tm] Standard Edition 6. These changes occurred in recent revisions to the CORBA API defined by the OMG. The new methods were added to interfaces derived from the corresponding interfaces in the CORBA package. This provides backward compatibility and avoids breaking the JCK tests.

org.omg.CORBA_2_3.portable

Provides methods for the input and output of value types, and contains other updates to the org/omg/CORBA/portable package.

org.omg.CORBA.DynAnyPackage

Provides the exceptions used with the DynAny interface ( InvalidValue, Invalid, InvalidSeq, and TypeMismatch).

org.omg.CORBA.ORBPackage

Provides the exception InvalidName, which is thrown by the method ORB.resolve_initial_references and the exception InconsistentTypeCode, which is thrown by the Dynamic Any creation methods in the ORB class.

org.omg.CORBA.portable

Provides a portability layer, that is, a set of ORB APIs that makes it possible for code generated by one vendor to run on another vendor's ORB.

org.omg.CORBA.TypeCodePackage

Provides the user-defined exceptions BadKind and Bounds, which are thrown by methods in in the class TypeCode.

org.omg.CosNaming

Provides a naming service for Java IDL.

org.omg.CosNaming.NamingContextExtPackage

This package contains the following classes, which are used in org.omg.CosNaming.NamingContextExt:

org.omg.CosNaming.NamingContextPackage

This package contains Exception classes for the org.omg.CosNaming package.

org.omg.Dynamic

This package contains the Dynamic module specified in the OMG Portable Interceptor specification, http://cgi.omg.org/cgi-bin/doc?ptc/2000-08-06, section 21.9.

org.omg.DynamicAny

Provides classes and interfaces that enable traversal of the data value associated with an any at runtime, and extraction of the primitive constituents of the data value.

org.omg.DynamicAny.DynAnyFactoryPackage

This package contains classes and exceptions from the DynAnyFactory interface of the DynamicAny module specified in the OMG The Common Object Request Broker: Architecture and Specification, http://cgi.omg.org/cgi-bin/doc?formal/99-10-07, section 9.2.2.

org.omg.DynamicAny.DynAnyPackage

This package contains classes and exceptions from the DynAny interface of the DynamicAny module specified in the OMG The Common Object Request Broker: Architecture and Specification, http://cgi.omg.org/cgi-bin/doc?formal/99-10-07, section 9.2.

org.omg.IOP

This package contains the IOP module specified in the OMG document The Common Object Request Broker: Architecture and Specification, http://cgi.omg.org/cgi-bin/doc?formal/99-10-07, section 13.6.

org.omg.IOP.CodecFactoryPackage

This package contains the exceptions specified in the IOP::CodeFactory interface (as part of the Portable Interceptors spec).

org.omg.IOP.CodecPackage

This package is generated from the IOP::Codec IDL interface definition.

org.omg.Messaging

This package contains the Messaging module specified in the OMG CORBA Messaging specification, http://cgi.omg.org/cgi-bin/doc?formal/99-10-07.

org.omg.PortableInterceptor

Provides a mechanism to register ORB hooks through which ORB services can intercept the normal flow of execution of the ORB.

org.omg.PortableInterceptor.ORBInitInfoPackage

This package contains the exceptions and typedefs from the ORBInitInfo local interface of the PortableInterceptor module specified in the OMG Portable Interceptor specification, http://cgi.omg.org/cgi-bin/doc?ptc/2000-08-06, section 21.7.2.

org.omg.PortableServer

Provides classes and interfaces for making the server side of your applications portable across multivendor ORBs.

org.omg.PortableServer.CurrentPackage

Provides method implementations with access to the identity of the object on which the method was invoked.

org.omg.PortableServer.POAManagerPackage

Encapsulates the processing state of the POAs it is associated with.

org.omg.PortableServer.POAPackage

Allows programmers to construct object implementations that are portable between different ORB products.

org.omg.PortableServer.portable

Provides classes and interfaces for making the server side of your applications portable across multivendor ORBs.

org.omg.PortableServer.ServantLocatorPackage

Provides classes and interfaces for locating the servant.

org.omg.SendingContext

Provides support for the marshalling of value types.

org.omg.stub.java.rmi

Contains RMI-IIOP Stubs for the Remote types that occur in the java.rmi package.

org.w3c.dom

Provides the interfaces for the Document Object Model (DOM) which is a component API of the Java API for XML Processing.

org.w3c.dom.bootstrap

org.w3c.dom.css

org.w3c.dom.events

org.w3c.dom.html

org.w3c.dom.ls

org.w3c.dom.ranges

Document Object Model Level 2 Traversal and Range is a platform and language-neutral interfaces that allow programs and scripts to dynamically traverse and identify a range of content in a document.

org.w3c.dom.stylesheets

org.w3c.dom.traversal

org.w3c.dom.views

org.w3c.dom.xpath

org.xml.sax

This package provides the core SAX APIs.

org.xml.sax.ext

This package contains interfaces to SAX2 facilities that conformant SAX drivers won't necessarily support.

org.xml.sax.helpers

This package contains "helper" classes, including support for bootstrapping SAX-based applications.

Java™ Platform, Standard Edition 8
API Specification

Packages

Java™ Platform, Standard Edition 8API Specification

Packages

Java™ Platform, Standard Edition 8
API Specification