Java® 平台, 标准版 & JDK 21 API 文档

文档分为以下两部分:

Java SE

The Java Platform, Standard Edition (Java SE) APIs是Java平台核心API，具有平台通用性。这些api位于模块名以java开头的模块中。

JDK

The Java Development Kit (JDK) APIs 存在于JDK中，不一定在所有Java SE平台的实现中都可用。这些api位于模块名以jdk开头模块中。

所有模块

Java SE

JDK

其他模块

模块

描述

java.base

定义Java SE平台的基础api。

java.compiler

定义语言模型、注解处理和Java编译器的相关api。

java.datatransfer

定义用于在应用程序之间和内部传输数据的API。

java.desktop

定义AWT和Swing用户界面工具包，以及用于可访问性、音频、图像、打印和JavaBeans的api。

java.instrument

Defines services that allow agents to instrument programs running on the JVM.

java.logging

定义Java本身实现的日志框架的API.

java.management

Defines the Java Management Extensions (JMX) API.

java.management.rmi

定义JMX远程连接的api

java.naming

定义访问命名和目录服务(JNDI) API.

java.net.http

定义Http客户端和WebSocket的api

java.prefs

Defines the Preferences API.

java.rmi

定义RMI的api

java.scripting

定义脚本相关api

java.se

定义Java平台的API.

java.security.jgss

Defines the Java binding of the IETF Generic Security Services API (GSS-API).

java.security.sasl

Defines Java support for the IETF Simple Authentication and Security Layer (SASL).

java.smartcardio

Defines the Java Smart Card I/O API.

java.sql

定义JDBC的API.

java.sql.rowset

定义JDBC结果集的API.

java.transaction.xa

定义JDBC支持分布式事务的API.

java.xml

Defines the Java APIs for XML Processing (JAXP).

java.xml.crypto

Defines the API for XML cryptography.

jdk.accessibility

Defines JDK utility classes used by implementors of Assistive Technologies.

jdk.attach

Defines the attach API.

jdk.charsets

额外提供在java.base(里面大多数是两个字节和IBM字符集)没有的

字符集

jdk.compiler

Defines the implementation of the

system

Java compiler

and its command line equivalent, javac.

jdk.crypto.cryptoki

Provides the implementation of the SunPKCS11 security provider.

jdk.crypto.ec

Provides the implementation of the SunEC security provider.

jdk.dynalink

Defines the API for dynamic linking of high-level operations on

objects.

jdk.editpad

Provides the implementation of the edit pad service used by jdk.jshell.

jdk.hotspot.agent

Defines the implementation of the HotSpot Serviceability Agent.

jdk.httpserver

Defines the JDK-specific HTTP server API, and provides the jwebserver

tool for running a minimal HTTP server.

jdk.incubator.vector

Defines an API for expressing computations that can be reliably compiled

at runtime into SIMD instructions, such as AVX instructions on x64, and

NEON instructions on AArch64.

jdk.jartool

Defines tools for manipulating Java Archive (JAR) files,

including the jar and jarsigner tools.

jdk.javadoc

Defines the implementation of the

system

documentation tool

and its command-line equivalent, javadoc.

jdk.jcmd

Defines tools for diagnostics and troubleshooting a JVM

such as the jcmd, jps, jstat tools.

jdk.jconsole

Defines the JMX graphical tool, jconsole,

for monitoring and managing a running application.

jdk.jdeps

Defines tools for analysing dependencies in Java libraries and programs,

including the jdeps,

javap, and

jdeprscan tools.

jdk.jdi

Defines the Java Debug Interface.

jdk.jdwp.agent

Provides the implementation of the Java Debug Wire Protocol (JDWP)

agent.

jdk.jfr

Defines the API for JDK Flight Recorder.

jdk.jlink

Defines the jlink tool for creating run-time

images, the jmod tool for creating and manipulating

JMOD files, and the jimage tool for inspecting

the JDK implementation-specific container file for classes and resources.

jdk.jpackage

Defines the Java Packaging tool, jpackage.

jdk.jshell

Provides the jshell tool for evaluating

snippets of Java code, and defines a JDK-specific API for modeling and

executing snippets.

jdk.jsobject

Defines the API for the JavaScript Object.

jdk.jstatd

Defines the jstatd tool for starting a daemon

for the jstat tool to monitor JVM statistics remotely.

jdk.localedata

Provides the locale data for locales other than US locale.

jdk.management

Defines JDK-specific management interfaces for the JVM.

jdk.management.agent

Defines the JMX management agent.

jdk.management.jfr

Defines the Management Interface for JDK Flight Recorder.

jdk.naming.dns

Provides the implementation of the DNS Java Naming provider.

jdk.naming.rmi

Provides the implementation of the RMI Java Naming provider.

jdk.net

Defines the JDK-specific Networking API.

jdk.nio.mapmode

Defines JDK-specific file mapping modes.

jdk.sctp

Defines the JDK-specific API for SCTP.

jdk.security.auth

Provides implementations of the javax.security.auth.*

interfaces and various authentication modules.

jdk.security.jgss

Defines JDK extensions to the GSS-API and an implementation of the SASL

GSSAPI mechanism.

jdk.xml.dom

定义了W3C Document Object Model(DOM)相关API.

jdk.zipfs

提供Zip文件系统功能的实现。