Java Directory
Category Websites
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Sun Certified Java Programmer Tutorials.
Tutorials, quizzes and other resources for SCJP 1.4(CX-310-35) and related exams.
http://java-coders.blogspot.com/
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Visual Java/Swing Components Library
Extend standard visual library with new styles from Visual Java/SWING Components Library
http://www.java-development-tools.com/