Thinking in Java, 3rd ed. Revision 4.0:
http://tij2.thpx.net/

Thinking in Patterns with Java, Revision 0.5a:
http://tipj.thpx.net/

Web Programming with Java:
http://wpwj.thpx.net/

Presenting JavaBeans:
http://pj.thpx.net/

Amit Ray ..