Ask a Meaningful Question and HowToAskQuestionsOnJavaRanch
Getting someone to think and try something out is much more useful than just telling them the answer.
SCJP5 passed with 95%<br />SCWCD passed with 88%<br />SCJD in progress<br />SCEA in dreams
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SCJP 5.0 (90%), SCDJWS 1.4 (88%), SCWCD 1.4 (82%), SCBCD 1.3 (85%)