Mailing Lists

Advanced-Java
Industrial-strength application development, includes subscription form and archives.
https://lists.xcf.berkeley.edu/mailman/listinfo/advanced-java

Caffeinated Penguins
A Java discussion list for Linux users. This is to fill the need for a small volume, small membership group, for people who use Linux and are interested in learning more about the Java language.
http://tech.groups.yahoo.com/group/caffeinated_penguins/

DevelopMentor's Advanced-Java
Advanced topics, includes subscription form and archives.
http://discuss.develop.com/advanced-java.html

ITtoolbox Java Discussion Group
For the technical and functional discussion of Java.
http://java.ittoolbox.com/groups/technical-functional/java-l

Java List Archives
Directory of Java-related mailing lists available from Sun.
http://archives.java.sun.com/

JAVA/400 Mailing List
Discuss JAVA on and around the AS/400. AS/400 Java toolkit, and JDBC.
http://lists.midrange.com/mailman/listinfo/java400-l

Java Open Source Mailing List Archive
A collection of archives of Open Source Java project mailing list. Lists include Tomcat, JBoss, Struts, iText.
http://www.junlu.com/

Javalanche
Mailing list for developers of web applications using Java tools.
http://www.pairlist.net/mailman/listinfo/javalanche

JDJ Straight Talking
For readers of Java Developer's Journal interested in talking honestly about various subjects, includes subscription information and archives.
http://tech.groups.yahoo.com/group/straight_talking_java/

Yahoo Java Groups
Directory of Java-related mailing lists from Yahoo, on topics from certification and development, to user group specific.
http://tech.dir.groups.yahoo.com/dir/Computers___Internet/Programming_Languages/Java