Salman Faraz
Welcome to Javaranch. I have removed your other 3 duplicate posts from the other forums. We appreciate if you will confine your questions to a single forum. Cross-posting, as it is called, is considered bad forum ettiquet. It makes it really hard to the staff and users to monitor the
thread when it exists in multiple places. I feel your question is best asked in this forum. If proven otherwise a staff member will move it appropriatly.
You might want to take a look at
this for more tips on how to use Javaranch effectivly.
Thanks and we look forward to more of your questions.