Java Resources

Sites

Sun's Java - If you are a java programmer, you already know this site, don't you? Just for record though. I find everything I need here - tutorials, How To's, discussions, applets, technology news, Jini, Servlets, JavaCard, JSP, TomCat (Apche and Java's combined project) ........ Too Cool.
JavaWorld - Good Java site, lots of applets, articles, you can even contribute your own articles.
JavaRanch - Another live Java site. The site is undoubtedly most happening because of its Java related forums. Famous for SCJP forums, but it is much much more than that, all the forums are very active and are frequented by many well known Java book authors and experts. Moreover, the site is too much fun as well, complete with a cool Java knowledge game to trap the cows. A must for all Java cowboys.
JavaBoutique - A site hosted by internet.com guys. Basically archive of applets. Nicely arranged by categories, some of them quite innovative and with wonderful effects.
JavaOnTheBrain - Strange name, but a cool site, hosted by an individual with lots of unique applets. Check out his collection of Cube applets.
JavaLobby - Nice site for Java community.
JavaShareware - A site with lot of Java shareware and utilities.
Jars.com - Site filled with Java stuff . BTW, did you know jar (Java Archieve) utility that comes with JDK can read your zip files and vice versa. Cool no?
JGuru - The java guru portal.
Gamelan - Another one from earthweb for Java.
JavaSkyline - Lots of links to Java and relevant technologies.
CoolServlets - As the name says, lot of them.
Servlets.com - Another site catering to Servlets exclusively.
JSPInsider - Lot of information about Java Server Pages.
JSPIn - The inn for JSP, nice portal.
JSPTags - Not only tags though, another good portal.
Anfy Team - These guys are making some best applets, especially image filtering applets are cool.

Books

The Java^TM Programming Language - Java book (3rd ed) by Arnold, Gosling and Holmes by Sun, creator of the language. Probably, the best book on Java.	Thinking in Java - by Bruce Eckel. One of the best books available on Java. A very good book for beginers as well as professionals. Also available in electronic version at authors website.
Java Rules - by Doulglous Dunn. A very good book for any serious Java developer. Explanation is thorough and exhaustive, this can be termed as - JLS explained!	Practical Java - by Peter Hoggar. One of the best books available on Java. A very good book for beginers as well as professionals. Also available in electronic version at authors website.
O'Reilly Books On Java - They have got some very good books on individual Java Topics such as Java Servlets, Java Network Programming, Concurrent Programming and so on. I'll list some good ones later.