Finally a much needed feature has been implemented in Eclipse 3.5 Control + Click on any method in an interface or class it shows two options - Open Declaration / Open Implementation. If more than one implemenation exists for a method then it shows Open Hierarchy.
The reason for doing the work is to create something useful that helps people. Please click the ads if my articles are useful for you. Definitely, that's not enough. My target is working at some great organizations, such that one day, all the people with internet access can benefit from the service I contributed.