Object/Relational mapping

In our java project, We decided to use ORM object/relational mapping technique in objects' persisting.

But we hesitate to use a specific framework to do this.So, what is the best framework for java can do this task?

From stackoverflow

• Hibernate is an excellent choice.

  OscarRyz : Look no further.

• As Chris says, Hibernate is an excellent choice.

  A (not-exhaustive) list can be found on wikipedia

  Hibernate is a superset of JPA. If you stay within the bounds of the JPA, then you can theoretically switch to a differenct JPA implementation at a later point...

• As toolkit said about what Chris says, Hibernate is the choice.

  :D :D :D :D

• Hibernate of course, but if you seek standardizations, then JPA or JDO