Learn JPA

JPA @EntityListeners Annotation This page will provide JPA @EntityListeners example with callbacks @PrePersist, @PostPersist, @PostLoad, @PreUpdate, @PostUpdate, @PreRemove, @PostRemove. JPA EntityManager Example using Hibernate This page will walk through JPA EntityManager and EntityManagerFactory example using hibernate with persist(), find(), contains(), detach(), merge() and remove() methods. Getting Started with JPA JPA is Java Persistence API. JPA provides Object Relational Mapping (ORM) in Java. JPA handles the database query, database optimization, database cache, data saving, querying.