Java Persistence with Hibernate

2.2. Starting a Java Persistence project

In the following sections, we show you some of the advantages of JPA and the new EJB 3.0 standard, and how annotations and the standardized programming interfaces can simplify application development, even when compared with Hibernate. Obviously, designing and linking to standardized interfaces is an advantage if you ever need to port or deploy an application on a different runtime environment. Besides portability, though, there are many good reasons to give JPA a closer look.

We'll now guide you through another "Hello World" example, this time with Hibernate Annotations and Hibernate EntityManager. You'll reuse the basic project infrastructure introduced in the previous section so you can see where JPA ...