User Groups

Game Developers Java Users Group (GameJUG)
Mailing lists signup, membership information, resources, and links.
https://gamejug.dev.java.net/

Java Meetup Groups
Find groups in your area. Includes directory, photos, and message board.
http://java.meetup.com/

Java User Groups Worldwide
Sun's JUG page includes index of groups worldwide as well as a finder program.
http://community.java.net/jugs/