OpenJDK

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[[Image:openjdk.gif|right]]
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[[Image:openjdk-logo.png|right]]
  
OpenJDK 是 Java 语言、平台规范的开源实现。  
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[[文件:openjdk-logo-2.png|right]]
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OpenJDK 是 [[Java]] 语言、平台规范的开源实现。  
  
 
https://openjdk.java.net/
 
https://openjdk.java.net/
  
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==简介==
 
Today this project contains two significant components of the JDK:
 
Today this project contains two significant components of the JDK:
  
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未来,JRockit与HotSpot将会合并为单独一个JVM,互相取长补短。合并后的成果将会持续不断地加到OpenJDK当中。Oracle将会继续维护开源与闭源的JDK实现。Sun的Java for Business与Oracle的JRockit Mission Control、JRockit Real Time以及JRockit Virtual Edition仍将受专利保护并使用商业协议,他们是付费产品。详见[http://docs.huihoo.com/java/JVM-Strategy-2010.pdf JVM的未来策略]
 
未来,JRockit与HotSpot将会合并为单独一个JVM,互相取长补短。合并后的成果将会持续不断地加到OpenJDK当中。Oracle将会继续维护开源与闭源的JDK实现。Sun的Java for Business与Oracle的JRockit Mission Control、JRockit Real Time以及JRockit Virtual Edition仍将受专利保护并使用商业协议,他们是付费产品。详见[http://docs.huihoo.com/java/JVM-Strategy-2010.pdf JVM的未来策略]
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==JDK==
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[https://medium.com/@javachampions/java-is-still-free-2-0-0-6b9aa8d6d244 To know more about the JDK]
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==JDK 17==
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[https://jdk.java.net/17/ JDK 17 Early-Access Builds]
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==JDK 16==
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[https://jdk.java.net/16/ JDK 16.0.1 General-Availability Release]
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==JDK 15==
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[https://jdk.java.net/15/ JDK 15 Releases]
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==JDK 14==
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[https://jdk.java.net/14/ JDK 14 Releases]
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==JDK 13==
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*[https://www.oracle.com/technetwork/java/javase/13-relnote-issues-5460548.html JDK 13 Release Notes]
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*[https://jdk.java.net/13/ JDK 13 Releases]
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==JDK 12==
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*[https://www.oracle.com/technetwork/java/javase/12-relnote-issues-5211422.html JDK 12 Release Notes]
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*[https://mail.openjdk.java.net/pipermail/jdk-dev/2019-March/002718.html Java 12 / JDK 12 正式发布!] (2019.03)
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*[https://www.ibm.com/developerworks/cn/java/the-new-features-of-Java-12/index.html Java 12 新特性概述]
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==JDK 11==
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*[https://www.oracle.com/technetwork/java/javase/11u-relnotes-5093844.html JDK 11 Release notes]
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*[http://www.infoq.com/cn/news/2018/09/java11-new-feature Java 11 / JDK 11 正式发布!] (2018.09)
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*[https://www.ibm.com/developerworks/cn/java/the-new-features-of-Java-11/index.html Java 11 新特性介绍]
  
 
==JDK 10==
 
==JDK 10==
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*[https://www.oracle.com/technetwork/java/javase/10u-relnotes-4108739.html JDK 10 Release notes]
 
*[http://hg.openjdk.java.net/jdk10 JDK 10 source code]
 
*[http://hg.openjdk.java.net/jdk10 JDK 10 source code]
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*[https://www.ibm.com/developerworks/cn/java/the-new-features-of-Java-10/index.html Java 10 新特性介绍]
  
 
==JDK 9==
 
==JDK 9==
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*[https://www.oracle.com/technetwork/java/javase/9u-relnotes-3704429.html JDK 9 Release Notes]
 
*[http://jdk.java.net/9/ JDK 9 Project]
 
*[http://jdk.java.net/9/ JDK 9 Project]
 
*[http://hg.openjdk.java.net/jdk9/jdk9 JDK 9 source code]
 
*[http://hg.openjdk.java.net/jdk9/jdk9 JDK 9 source code]
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==JDK 8==
 
==JDK 8==
[http://jdk.java.net/8/ JDK 8 Project]
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*[https://www.oracle.com/technetwork/java/javase/8u-relnotes-2225394.html JDK 8 Release Notes]
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*[http://jdk.java.net/8/ JDK 8 Project]
  
 
在 Java 8 中,与云相关的最重要的两个特性就是多租户与模块化:
 
在 Java 8 中,与云相关的最重要的两个特性就是多租户与模块化:
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*模块化:指的是把 JDK 重新组织为一套尽管互相依赖但却是定义清晰的模块。Java 开发人员的一个替代选择是使用 [[OSGi]]。
 
*模块化:指的是把 JDK 重新组织为一套尽管互相依赖但却是定义清晰的模块。Java 开发人员的一个替代选择是使用 [[OSGi]]。
 
*[http://openjdk.java.net/projects/jdk8/ JDK 8 @ OpenJDK]
 
*[http://openjdk.java.net/projects/jdk8/ JDK 8 @ OpenJDK]
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*[https://github.com/winterbe/java8-tutorial Modern Java - A Guide to Java 8]
 
*[http://www.infoq.com/cn/news/2013/08/everything-about-java-8 Java 8全面解析]
 
*[http://www.infoq.com/cn/news/2013/08/everything-about-java-8 Java 8全面解析]
  
 
==JDK 7==
 
==JDK 7==
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*[https://www.oracle.com/technetwork/java/javase/7u-relnotes-515228.html JDK 7 Release Notes for update releases]
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*[https://www.oracle.com/technetwork/java/javaseproducts/documentation/javase7supportreleasenotes-1601161.html JDK 7 Release Notes for revision builds]
 
*[http://docs.huihoo.com/java/oscon2011-jdk7-nutshell.pdf JDK 7 in a Nutshell]
 
*[http://docs.huihoo.com/java/oscon2011-jdk7-nutshell.pdf JDK 7 in a Nutshell]
 
*[http://docs.huihoo.com/java/oscon2011-openjdk-state.pdf The State of JDK and OpenJDK]
 
*[http://docs.huihoo.com/java/oscon2011-openjdk-state.pdf The State of JDK and OpenJDK]
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==JDK 6==
 
==JDK 6==
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*[https://www.oracle.com/technetwork/java/javase/documentation/overview-156328.html JDK 6 Release Notes post 6u45, and revision builds of earlier releases]
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*[https://www.oracle.com/technetwork/java/javase/releasenotes-136954.html JDK 6 Release Notes through 6u45]
 
*[http://jdk6.java.net/ JDK 6 Project]
 
*[http://jdk6.java.net/ JDK 6 Project]
 
*[http://openjdk.java.net/projects/jdk6/ JDK 6 @ openJDK]
 
*[http://openjdk.java.net/projects/jdk6/ JDK 6 @ openJDK]
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==GraalVM==
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[[GraalVM]] 是一个通用虚拟机
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==[[AdoptOpenJDK]]==
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[https://adoptopenjdk.net/ Prebuilt OpenJDK Binaries for Free!]
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*[https://blog.adoptopenjdk.net/2020/06/adoptopenjdk-to-join-the-eclipse-foundation/ AdoptOpenJDK to join the Eclipse Foundation!]
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==Liberica JDK==
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[https://bell-sw.com/ BellSoft] Among Top-5 OpenJDK contributors.
  
 
==IcedTea==
 
==IcedTea==
 
[[IcedTea]] 基于 OpenJDK 构建。
 
[[IcedTea]] 基于 OpenJDK 构建。
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==腾讯==
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[https://github.com/Tencent/TencentKona-8 Tencent Kona 8]
  
 
==Taobao==
 
==Taobao==
[http://jvm.taobao.org/ JVM@Taobao]
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[http://jvm.taobao.org/ JVM @ Taobao]
  
 
==Azul==
 
==Azul==
 
*[https://www.azul.com/products/zing/ Azul Zing]是一款专为需要低时延、较高的交易速度、较大的工作内存和/或一致的响应时间的企业Java应用程序而设计JVM。Zulu是Azul通过认证、免费开源的OpenJDK构建,提供一系列灵活的支持选项,适合部署在企业用户和嵌入式系统中。
 
*[https://www.azul.com/products/zing/ Azul Zing]是一款专为需要低时延、较高的交易速度、较大的工作内存和/或一致的响应时间的企业Java应用程序而设计JVM。Zulu是Azul通过认证、免费开源的OpenJDK构建,提供一系列灵活的支持选项,适合部署在企业用户和嵌入式系统中。
 
*[http://zulu.org/ Zulu.org]
 
*[http://zulu.org/ Zulu.org]
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==SapMachine==
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[https://github.com/SAP/SapMachine SapMachine]
  
 
==Debian==
 
==Debian==
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[https://wiki.debian.org/Java Debian Java]
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Debian6自带的JDK
 
Debian6自带的JDK
 
  java -version
 
  java -version
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  OpenJDK Client VM (build 14.0-b16, mixed mode, sharing)
 
  OpenJDK Client VM (build 14.0-b16, mixed mode, sharing)
 
[https://wiki.debian.org/Java/OpenJDK OpenJDK @ Debian]
 
[https://wiki.debian.org/Java/OpenJDK OpenJDK @ Debian]
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==CentOS==
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*[https://segmentfault.com/a/1190000022669252 Centos 8 下编译 OpenJDK]
  
 
==JetBrains==
 
==JetBrains==
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OpenJDK 8
 
OpenJDK 8
  hg clone http://hg.openjdk.java.net/jdk8u/jdk8u-dev
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  hg clone https://hg.openjdk.java.net/jdk8u/jdk8u-dev
 
  cd jdk8u-dev
 
  cd jdk8u-dev
 
  chmod 755 get_source.sh  
 
  chmod 755 get_source.sh  
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*[http://hg.openjdk.java.net/jdk6/jdk6/raw-file/tip/README-builds.html OpenJDK 6 Build README]
 
*[http://hg.openjdk.java.net/jdk6/jdk6/raw-file/tip/README-builds.html OpenJDK 6 Build README]
 
*[https://github.com/hgomez/obuildfactory OpenJDK Build Factory]
 
*[https://github.com/hgomez/obuildfactory OpenJDK Build Factory]
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==项目==
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*[https://github.com/openjdk/jol Java Object Layout (JOL)]
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*[https://github.com/openjdk/jmc JDK Mission Control]
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*[https://github.com/openjdk/jmh Java Microbenchmark Harness (JMH)]
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*[https://github.com/openjdk/jcstress Java Concurrency Stress (jcstress)]
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*[https://openjdk.java.net/projects/shenandoah/ Shenandoah]
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*[https://openjdk.java.net/projects/zgc/ ZGC - The Z Garbage Collector]
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*[https://openjdk.java.net/jeps/318 JEP 318: Epsilon: A No-Op Garbage Collector]
  
 
==文档==
 
==文档==
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==图集==
 
==图集==
 
<gallery widths=100px heights=100px perrow=6>
 
<gallery widths=100px heights=100px perrow=6>
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image:Java-Version-Almanac.png|Java版本
 
Image:openjdk-history-and-release-genealogy-2011.png|OpenJDK历史
 
Image:openjdk-history-and-release-genealogy-2011.png|OpenJDK历史
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image:OpenJDK-JEP-2.0.png|JEP 2.0
 
image:zulu-openjdk.png|Zulu OpenJDK
 
image:zulu-openjdk.png|Zulu OpenJDK
 
Image:java-se-7-jsrs.png|Java SE 7 JSRs
 
Image:java-se-7-jsrs.png|Java SE 7 JSRs
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image:jdk7-b65-modules.png|JDK7 Modules
 
image:jdk7-b65-modules.png|JDK7 Modules
 
image:java8-lambda-expressions.png|Java8 Lambda
 
image:java8-lambda-expressions.png|Java8 Lambda
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image:java8-to-java11.png|Java8迁移Java11
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image:java11-javase-module-graph.png|Java11模块
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image:OpenJDK-Build.png|源代码构建
 
</gallery>
 
</gallery>
  

2022年8月10日 (三) 02:24的最后版本

Wikipedia-35x35.png 您可以在Wikipedia上了解到此条目的英文信息 OpenJDK Thanks, Wikipedia.
Openjdk-logo.png
Openjdk-logo-2.png

OpenJDK 是 Java 语言、平台规范的开源实现。

https://openjdk.java.net/

目录

[编辑] 简介

Today this project contains two significant components of the JDK:

  • The HotSpot Virtual Machine
  • The Java programming-language compiler (javac)

目前,OpenJDK 采取 GPL 2 许可协议

未来,JRockit与HotSpot将会合并为单独一个JVM,互相取长补短。合并后的成果将会持续不断地加到OpenJDK当中。Oracle将会继续维护开源与闭源的JDK实现。Sun的Java for Business与Oracle的JRockit Mission Control、JRockit Real Time以及JRockit Virtual Edition仍将受专利保护并使用商业协议,他们是付费产品。详见JVM的未来策略

[编辑] JDK

To know more about the JDK

[编辑] JDK 17

JDK 17 Early-Access Builds

[编辑] JDK 16

JDK 16.0.1 General-Availability Release

[编辑] JDK 15

JDK 15 Releases

[编辑] JDK 14

JDK 14 Releases

[编辑] JDK 13

[编辑] JDK 12

[编辑] JDK 11

[编辑] JDK 10

[编辑] JDK 9

[编辑] JDK 8

在 Java 8 中,与云相关的最重要的两个特性就是多租户与模块化:

[编辑] JDK 7

[编辑] JDK 6

[编辑] GraalVM

GraalVM 是一个通用虚拟机

[编辑] AdoptOpenJDK

Prebuilt OpenJDK Binaries for Free!

[编辑] Liberica JDK

BellSoft Among Top-5 OpenJDK contributors.

[编辑] IcedTea

IcedTea 基于 OpenJDK 构建。

[编辑] 腾讯

Tencent Kona 8

[编辑] Taobao

JVM @ Taobao

[编辑] Azul

  • Azul Zing是一款专为需要低时延、较高的交易速度、较大的工作内存和/或一致的响应时间的企业Java应用程序而设计JVM。Zulu是Azul通过认证、免费开源的OpenJDK构建,提供一系列灵活的支持选项,适合部署在企业用户和嵌入式系统中。
  • Zulu.org

[编辑] SapMachine

SapMachine

[编辑] Debian

Debian Java

Debian6自带的JDK

java -version
java version "1.6.0_18"
OpenJDK Runtime Environment (IcedTea6 1.8.13) (6b18-1.8.13-0+squeeze2)
OpenJDK Client VM (build 14.0-b16, mixed mode, sharing)

OpenJDK @ Debian

[编辑] CentOS

[编辑] JetBrains

JetBrains/jdk8u

[编辑] 代码

brew install mercurial

OpenJDK 8

hg clone https://hg.openjdk.java.net/jdk8u/jdk8u-dev
cd jdk8u-dev
chmod 755 get_source.sh 
./get_source.sh

[编辑] 开发者

[编辑] 构建

[编辑] 项目

[编辑] 文档

[编辑] 用户

[编辑] 图集

[编辑] 链接

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