Attach the Source in Eclipse of a jar

Question

I added a Student.jar into my Build Path in my eclipse like this-

Right click on the project->BuildPath->Configure Build P

Answer 1

This worked for me for Eclipse-Luna:

1. Right Click on the *.jar in the Referenced Libraries folder under your project, then click on Properties
2. Use the Java Source Attachment page to point to the Workspace location or the External location to the source code of that jar.