JDK与OpenJDK

openjdk采用GPL V2协议放出，而JDK则采用JRL放出。
两者协议虽然都是开放源代码的，
但是在使用上的不同在于GPL V2允许在商业上使用，而JRL只允许个人研究使用。

版本roadmap图

roadmap roadmap

Open-JDK下载

Archived OpenJDK General-Availability Releases
This page is an archive of previously released builds of the JDK licensed under the GNU General Public License, version 2, with Classpath Exception.

WARNING: These older versions of the JDK are provided to help developers debug issues in older systems. They are not updated with the latest security patches and are not recommended for use in production.

Archived OpenJDK General-Availability Release

Oracle-JDK下载

Oracle 官网下载JDK需要登录，请提前注册账号

Oracle-JDK

其他参考下载

https://github.com/adoptium/temurin17-binaries/releases

// huawei
https://mirrors.huaweicloud.com/openjdk/

// tsinghua
https://mirrors.tuna.tsinghua.edu.cn/Adoptium/

// redhat
https://developers.redhat.com/products/openjdk/download