JavaRanch Big Moose Saloon
- Forums on a range of topics including Java technologies, certification, software engineering, jobs and single products.
- http://saloon.javaranch.com/

JavaGaming.org
- Message boards for the games developer.
- http://www.javagaming.org/

Java Forums
- Forums supported by the Java-Tips.org website developers. Topics cover Standard, Enterprise and Micro Edition as well as 3rd party APIs, IDEs and education.
- http://www.java-forums.org/

Java Technology Forums
- User discussion areas at IBM's developerWorks.
- http://www-128.ibm.com/developerworks/forums/dw_jforums.jsp

Java Language Forum at Tek-Tips
- Technical support forums and mutual help system for computer professionals.
- http://www.tek-tips.com/threadminder.cfm?pid=269

Portlet Discussion
- Portlet is a new and emerging technology. This group is created with the objective of discussing portlets and related technology, their usability and problems associated with them.
- http://tech.groups.yahoo.com/group/portlets/

JavaKB
- Discussion threads on JavaBeans, Servlets, JDBC and other Java technologies.
- http://www.javakb.com

P2P - Java
- A forum where you can share knowledge with fellow programmers. Java section.
- http://p2p.wrox.com/default.asp?CAT_ID=19

DevX Discussion Groups
- Contains forums on Java and related technologies.
- http://news.devx.com/

Artima Forums
- Discussion forums for Java, Jini, J2EE, and object-oriented software design and development.
- http://www.artima.com/forums/