A: Websites and developer forums
- http://java.sun.com/
- http://forums.java.net/
- http://www.theserverside.com
- http://www.onjava.com/
- http://www.artima.com/
- http://www.jboss.org/
- http://www.javaranch.com/
- http://www.java-forums.org/
- http://java-tips.org/
- http://forums.devshed.com/java-help-9/
- http://www.ibm.com/developerworks/
- http://google.com/
B:Weblogs (Subscribe to the RSS/ATOM feeds or newsletters)
- http://www.javablogs.com
- http://martinfowler.com/
- http://www.javaspecialists.eu/
- http://www.javaposse.com/
C: Open Source project directories
- http://java-source.net/
- http://www.onjava.com/pub/q/java_os_directory
