Entity bean represents the persistent data stored in the database. It is a server-side component. In EJB 2.x, there

A message driven bean (MDB) is a bean that contains business logic. But, it is invoked by passing the

Stateless Session bean is a business object that represents business logic only. It doesn't have state (data). In other words, conversational state between

Stateful Session bean is a business object that represents business logic like stateless session bean. But, it maintains state (data). In

JMS (Java Message Service) is an API that provides the facility to create, send and read messages. It provides

Session bean encapsulates business logic only, it can be invoked by local, remote and webservice client. It can be

EJB is an acronym for enterprise java bean. It is a specification provided by Sun Microsystems to develop secured, robust

EJB (Enterprise Java Bean) is used to develop scalable, robust and secured enterprise applications in java. Unlike RMI, middleware

Generic interceptors Both transaction and security services can be considered runtime interceptors managed by the container. The container intercepts the