Useful Links for Java interview

http://faqs.javabeat.net
http://www.techinterviews.com
http://www.allapplabs.com/interview_questions/java_interview_questions.htm
http://www.interview-questions-java.com/
http://javapapers.com/
http://www.java-interview.com/
http://www.interviewjava.com/

http://www.j2eequestions.com/

http://booleandreams.wordpress.com/php-mysql-interview-question/