Hello everyone,I need some good practise problems in java programming so that i can apply concepts in solving the problems.So any help would be much appreciated.Please refer me to any link or suggest me some book for the same and also I am new to this website so forgive if there are any errors in my post.
Waiting for your reply's

Completely mathematical problems at:
[1] projecteuler.net
[2] programmingpraxis.com
[3] cstutoringcenter.com

You most probably won't get questions related to GUI.

Hey Thanx guys it really helped.