I wasn't quiet satisfied with that but I cleared it .
Thank you - Campbell Ritchie , Ankit Garg , Devaka Cooray for Exam Lab Abimaran Kugathasan David Newton , Vishal Hegde and many many people who have helped me to clear my doubts.
Hope I have spelled all of them correctly this time , I may have missed a few many names .
Thanks to Kathy sierra and Bert bates for the Wonderful book and helping me understand things .
This forum is the best I have been on and people are very nice .
A big big thank you all for helping as i was very inconfident overall for java and programming and lot of stuff but now i feel some good .