javase7官方API
Java™ Platform, Standard Edition 7
API Specification
This document is the API specification for the Java™ Platform, Standard Edition.
See: Description
Packages
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 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.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.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.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
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
Crendentials 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 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,
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,
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,
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,
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.events | |
| org.w3c.dom.ls | |
| 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.
|