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Motivation. New multi-tier enterprise computing model in web environmentA way to bring in different elements of enterprise application:Web interface designTransaction processingMeeting non-functional system requirements:Availability, reliability, enhanceability, performance, scalability, reusab
                
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1. Java 2 Enterprise Edition & Enterprise JavaBeans Technology 			   By
Shree Bhavani Rajakumar 
2. Motivation New multi-tier enterprise computing model in web environment
A way to bring in different elements of enterprise application:
Web interface design
Transaction processing
Meeting non-functional system requirements:
Availability, reliability, enhanceability, performance, scalability, reusability, interoperability
Timely development and deployment
 
3. Introduction Platform introduced June, 1999
J2SE – Java 2 Standard Edition
Java for the desktop / workstation
http://java.sun.com/j2se
J2ME – Java 2 Micro Edition
Java for the consumer device
http://java.sun.com/j2me
J2EE - Java 2 Enterprise Edition
Java for the server 
http://java.sun.com/j2ee
 
4. What is J2EE? A Multi-tiered distributed application model
A collection of Standards: JDBC, JNDI, JMX, JMS
A Component Technology: EJB
An Application Server 
5. J2EE Architecture