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What is this? The place to collaborate on an open-source implementation of the Java Platform, Standard Edition, and related projects. |
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Download and install the latest open-source JDK. Oracle’s free, GPL-licensed, production-ready OpenJDK JDK 23 binaries for Linux, macOS, and Windows are available at jdk.java.net/23; Oracle’s commercially-licensed JDK 23 binaries, based on the same code, are here. |
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Learn about the key active Projects in the Community including Amber (high-productivity language features), Loom (lightweight concurrency), Panama (foreign functions and foreign data), Valhalla (primitive types and specialized generics), and, of course, the next version of Java and the JDK. If you want to learn how to use Java features that are available today, head over to dev.java. |
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Hack on the JDK itself, right here in the OpenJDK Community: Browse the code on the web, clone a repository to make a local copy, and contribute a patch to fix a bug, enhance an existing component, or define a new feature. |
