See: Description
| Package | Description |
|---|---|
| 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
JavaTM 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 JavaTM 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
JavaTM Print Service API.
|
| javax.print.attribute |
Provides classes and interfaces
that describe the types of JavaTM 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.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 JavaTM 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 JavaTM
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).
|
| org.w3c.dom.bootstrap | |
| org.w3c.dom.events | |
| org.w3c.dom.ls | |
| org.w3c.dom.views | |
| 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.
|
Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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