Garbage collection gets even more clever... also:
Java Today: Today and tomorow's garbage collectors, low-bandwidth communication with SunSPOTs and ME, and advanced JSF tutorial
Weblogs: Substance 4.2, combining NetBeans and Eclipse, and unit-testing Spring-MVC apps
Forum Posts: Disappearing dialog in 6.0uN, ahead-of-time compilation, and beginning BD-J reading list