More Respect for Object-Relational Mapping in Java through JPA

As mentioned before, JPA is important. What JPA is can be understood here.

What is JPA?

JPA = Java Persistence API, standardises persistence and ORM in Java (integrates approaches from the Hibernate ORM library, JDO and Oracle's TopLink).

JPA is implemented in the GlassFish application server, from code contributed by Oracle.