This article shows you how to attach the JDK source code in Eclipse IDE.

In Eclipse, select Windows -> Preferences -> Java -> Installed JREs , expands rt.jar, select “Source attachment” and find the from your disk drive.


P.S JDK source code is inside the

You may interest at this article – where to download JDK source code.


  1. Oracle JavaSE download link
  2. download the JDK source code
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