I'm confused! somewhere I read that JPA is part of EJB 3.0 specification and Hibernate implements JPA, then in other places people talk about whether to choose JPA or Hibernate!
Can someone please shed light on these definitions?
JPA is an API, while Hibernate is an implementation of JPA. Other implementations (like OpenJPA and EclipseLink) exist as well. The benefit of using the JPA API is that you can choose between these different implementations.
What people mean by "Hibernate vs. JPA" is that Hibernate also implements its own API, which is separate from JPA. It can do some things that JPA can't, but using it ties you to Hibernate.
Edit: ... what he said :-)
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