Java Tutorial

Your main tutorial on Java from Sun available at http://java.sun.com/docs/books/tutorial/

I think it is very good, it uses simple language to introduce complex subject areas such as threading

Sun also has a 1500 page, 16MB tutorial in Pdf format on JavaTwoEnterpriseEdition. Access via http://java.sun.com/j2ee/1.4/docs/tutorial/doc/index.html

Introduction to Programming Using Java by David J. Eck GNU Free Documentation License This on-line book contains Java applets. http://www.faqs.org/docs/javap/