What is Enterprise JavaBeans (EJB)?

  • Enterprise JavaBeans (EJB) technology is the server-side component architecture for Java Platform, Enterprise Edition (Java EE).
  • It also includes the new Java Persistence API (JPA) for the management of persistence and object/relational mapping with Java EE and Java SE.
  • The EJB specification intends to provide a standard way to implement the back-end 'business' code typically found in enterprise applications (as opposed to 'front-end' interface code).
  • Deployment descriptors are not required in ejb3.0 unlike ejb2.x
  • Annotations are used in ejb3.0

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