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javase7官方API

 
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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 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.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 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.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
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 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.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,
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
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.
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