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

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

Advanced-swing  
   For advanced questions about swing development, includes subscription form and archives.
   http://eos.dk/mailman/listinfo/advanced-swing

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

Two Ralphs Java Newsletter  
   JSP-Servlet newsletter signup and archives.
   http://java.bizeo.com/

Jakarta Mailing Lists  
   For the various Java-related projects at Apache, includes subscription form and archives.
   http://jakarta.apache.org/site/mail.html

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

Servlet Mailing Lists  
   Collection of servlet-related mailing lists with searchable archives.
   http://www.servlets.com/lists/index.html

Swing  
   For basic swing-related questions, includes subscription form and archives.
   http://eos.dk/mailman/listinfo/swing

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

Apple Java-Dev  
   Mac development, includes subscription form and archives.
   http://www.lists.apple.com/mailman/listinfo/java-dev

Java Boutique's JNews  
   Newsletter about the latest applets, industry news, and developer trends.
   http://e-newsletters.internet.com/jb.html

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

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

Tech Tips  
   An electronic mailing sent to registered Java Developer Connection (JDC) members. Each mailing contains tips, techniques, and sample code on various topics of interest to developers using the Java programming language and platform. Also tips archive.
   http://developer.java.sun.com/developer/TechTips/

Java Open Source Mailing List Archive  
   A collection of popular Java Open Source project mailing list archives, including Cocoon, Maven, Ant, Axis, Fop, Lucene, POI, Log4J.
   http://java2.5341.com/

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

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://groups.yahoo.com/group/caffeinated_penguins/

Java Specialists Newsletter  
   Newsletter of advanced topics in the Java Programming Language. This newsletter is specifically aimed at the professional Java programmer and not beginners.
   http://www.javaspecialists.co.za

Java-Linux  
   For developers working with Blackdown's Linux ports, includes subscription form and archives.
   http://www.blackdown.org/java-linux/java-linux-docs.html