Hi Sonir,
You are giving
SCJP next month,
so this is the right time to buy JQPlus,
Buy jq+ soon at
www.enthuware.com i would advise you not to use it just as a
testing tool,
but as a learning tool,revise each chapter from the book you are using and then give test on that chapter from jq+.(understand each and every
word from the text book,if you are not able to do that,post those statements at javaranch-and you are assured to get excellant explanations)
After a test ,it is not important what your score is,
but what the explanation is for each question.
(understand the concept behind that)
Any small doubt,mark that question,and go through explanation carefully.See to it that next time you see that question,
you should get it right(not because you have got the answer rote,but because you know the concept behind it).
All the best,
regards,
leena
(you can read some of the tips for exam here
http://www.javaranch.com/ubb/Forum44/HTML/001299.html)