The Java Persistence API is the standard API for object-relational mapping for Java EE and Java SE. In response to requests from the community, it has been expanded in release 2.0 to include a number of significant new features.
This video presents the key new functionality available in Java Persistence 2.0. It dives into the new object-relational mapping and modeling features, the additions to the Java Persistence query language, pessimistic locking, support for validation, and caching and other configuration options.
Video Producer: Devoxx Conference