Sony:
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On Cameron's book:
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SCJA Sun Certified Java Associate Study Guide for Test CX-310-019, 2nd Edition - Incredible Update to the former ExamScam Book by Cameron McKenzie.
-- This is the study guide which I used (I had the 1st edition)...it has over 100 questions as well as the study guide text.
SCJA Sun Certified Java Associate Exam Questions Guide by Cameron McKenzie Passing Exam CX-310-019 2nd Edition.
--This is the question book (350 question)...I did not have this one so I cannot comment.
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On wizlab demo version and Ucertify demo version
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-- I found the full version of UCertify helpful, I did not get the full version of Wizlabs, but you should try the demo version anyway. Both offer your money back if you don't pass the first time.
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On SCJA.de ebook
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It has 200 questions and cost less than $8.00...I thought it was well worth the cost.
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ALSO, there's lots of free stuff on the web
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-- Check out the Javaranch SCJA FAQ:
http://faq.javaranch.com/java/ScjaFaq Thanks, Pat Avery