Where Can I Find the JDK Source Code?

Locating the Java Development Kit (JDK) Source Code

In order to understand the implementation details of specific methods within the Java API, access to the JDK source code is necessary. If you have encountered a scenario where you need to review the source but lack the necessary files, this guide will assist you in locating the official source codes for the JDK.

The Java Archive

Prior to reinstalling Linux, you possessed the 'src.zip' package containing the complete JDK source code, allowing Eclipse integration for code inspection. To regain access to these files, download the archived 'src.zip' package from the official Oracle website.

Version Considerations

Oracle provides separate source code archives for different JDK versions, including JDK 8, 7, and 6. Select the appropriate version based on your requirements.

Mercurial Repository Alternative

Alternatively, you can browse or clone the source code directly from the Mercurial repositories. This option grants access to the most up-to-date source code revisions:

• JDK 8: https://hg.openjdk.java.net/jdk8/jdk8
• JDK 7: https://hg.openjdk.java.net/jdk7u-dev/jdk7u-dev
• JDK 6: https://hg.openjdk.java.net/jdk7/jdk7-backportupdates

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