Often while debugging Java applications, it is required to view the source code of standard Java classes. This post describes how to attach JDK source code in Eclipse IDE.

Step 1

Open Eclipse and go to Window -> Preferences

Go to Window - Preferences

Step 2

In Preferences window, go to Java -> Installed JREs. Select the JRE and click on the Edit button.

Go to Preferences - Java - Installed JREs

In the Edit JRE window, select the file rt.jar in the section named JRE system libraries and click on Source Attachment button.

Edit JRE source location

In the Source Attachment Configuration window, provide the location of the src.zip which is usually found in the JDK root folder. For example, C:/Program Files/Java/jdk1.7.0_13/src.zip

Provide JDK source file location

Click OK -> Finish -> OK to save and apply the changes. Now in your Java program if you press CTRL + left-mouse-click on any standard Java class, for example java.lang.System, it will open up the source code for that class.

How to attach JDK source code in Eclipse

Related posts:

  1. How to install Java Decompiler for Eclipse
  2. How to add proxy settings in Eclipse
  3. How to enable auto formatting in Eclipse
  4. How to set maximum line length in eclipse
  5. How to install Wildfly in Eclipse
  6. How to create and share Eclipse code style formatter
    

One thought on “How to attach JDK source code in Eclipse”

  • Anonymous
    September 28, 2017 at 5:46 PM
    Permalink

    good job

Comments, Questions or Suggestions: