"Shiaber M,"
Welcome to JavaRanch!
Please revise your display name to meet the
JavaRanch Naming Policy. To maintain the friendly atmosphere here at the ranch, we like folks to use real (or at least real-looking) names.
The first name can be an initial, but the last cannot. You can edit your display name
here. Thank you for your prompt attention!
Now, about your question, have you tried our
SCJP FAQ?
-Marc