Enterprise Java Beans

 EJB Architecture

 Components of EJB

 Home

 Remote

 Bean

 Deployment Descriptor

 ejb-jar.xml

 Types of EJB

 Session Bean

 Stateless and Stateful Session Bean

 Stateless session free pool

 Stateful session bean cache

 Activation and passivation

 Handle and Home handle

 Session Synchronization

 Entity Bean

 What is Transaction

 ACID Properties

 Container management Persistance

 Primary key class

 ejb-rdbms.jar

 Setting Datasource

 EJB QL

 Select queries

 from clause

 where clause

 order by clause

 Session Facad

 Java Messaging Service(JMS)

 What is messaging

 MOM Architecture

 Components of JMS

 Connection Factory

 Connections

 Session

 Message Producers and consumers 4.3.5 Point to Point

 Queue

 Durable Subscription

 Message Driven Bean(MDB)

 The application client

 The Message Driven Bean class

 The onMessage()

 The ejbCreate() and ejbRemove()