Eclips Introducing Java source code

Window->>preferences->>java->installed JREs

This is the text of the

Click "Installed JREs" to select the JDK as shown:

Click Edit, select the Rt.jar package and click Add Source code attachment.

A brief introduction to several packages in Java: Dt.jar is the class library for the runtime environment, mainly swing's package

Tools.jar is about some of the tool class libraries

Rt.jar contains the base class library for the JDK, which is the class file for all classes seen in Java Doc.

Add "Source code Attachment"

Select an external file.

Select the Src.zip file in the JDK directory to import the source code

Eclips Introducing Java source code