Naveen, thankyou for clarifying your original post's meaning.
There is an interesting new section in
Sun's Java Tutorial that may guide you in your quest for SCJP.
If you hava a SCJP related question then please use the SCJP forum search facility to see if a similar question has been asked before. If not, open a new topic and your fellow forum members will do their best to help you.
Good Luck.