Adam Bien's Weblog
A Great Set of Java EE Examples For Tomcat On Steroids (aka TomEE)
A great set of Java EE examples (REST, EntityManager, EJB, CDI, Web Services, JMS, Transactions, Security ...), created by the Tomcat EE guys
If you need more, just request an example.
Thanks Jon for the hint!
NEW workshop: Build a Java EE 7 / Java 8 Application from Scratch, May 11th, 2015, Airport Munich