Advantages of EJB 3.0

Advantages of EJB 3.0:

The below are the some of the advantages of using EJB 3.0

1. More work is done by container,less by developer
2. Everything is a POJO(Plain old java object)
3. Simplify programming model
4. Hibernate like ORM(Object Relational Mapping)
5. Dependency injection
6. Annotations(Requires Java 5)
7. Bean specifies what it needs through metadata
8. No longer written to unneeded container interfaces
9. Deployment descriptor no longer required