Configure a Java application to use Hibernate as your JPA provider. Configure JPA’s EntityManager. Create a simple JPA domain model representing two classes with a one-to-many relationship.

In JPA, we use the @Id annotation to designate a field to be the table’s primary key. The primary key must be a Java primitive type, a primitive wrapper such as Integer or Long, a String, a Date ...

As noted above, JPA is not the only way to persist data in a Java application. Because Java has several implementations of the JPA specification, however, the main advantage of specification is that ...

In JPA 3.1, a new UUID annotation is used to create unique primary keys, which is gaining popularity in the industry. The JPA CRUD class With the JavaBean decorated with Java Persistence API ...