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JPA Reference (JavaDoc)

This reference contains the API documentation (similar to JavaDoc) of the Java Persistence API (JPA) 2.0. The content is derived from the original JPA documentation (in the EclipseLink JPA 2 RI) with some additions and notes.

The four most basic JPA types are:

All the other JPA types are organized into the following sections:

The purpose of these documentation pages is to serve as a reference.
In order to learn how to use JPA and ObjectDB please read the ObjectDB manual.