If you’ve been living in a cave and haven’t come across Hibernate for your ORM needs yet, then OnJava.com have an introductory/overview article that gives you the view from 10000 feet.
OnJava: Building Projects with Maven
OnJava.com have a good article demontrating how to build and manage artifacts of a typical J2EE application using Mavern. The article covers arranging your artifacts in suitable directory structures, and building WARs and EAR files.
Antipatterns in Java – article on DevX site
DevX have a good article by Puneet Sungal introducing Anti-Patterns in Java.
Anti-patterns are commonly made mistakes in application design and programming – what not to do. It’s easier to learn from others mistakes than make the same mistakes yourself, so its worth being aware of some of these if they apply to the technologies you are using.
Bitter Java by Bruce Tate I think was one of the first Anti-Pattern books for Java and is well worth a read.
Hibernate Query Editor
HQE (Hibernate Query Editor) is a GUI editor for executing and editing HIbernate HQL queries.
From the screenshots it looks easy to use, but may not offer any more functionality from what is already available in the JBoss Eclipse IDE tool set.