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Enterprise JavaBeans (EJB) technology is the server-side component architecture for Java Platform, Enterprise Edition (Java EE). EJB technology enables rapid and simplified development of distributed, transactional, secure and portable applications based on Java technology.

EJB 3.0 Specification Final Release
This specification defines the new simplified EJB API targeted at ease of development. It also includes the new Java Persistence API for the management of persistence and object/relational mapping with Java EE and Java SE.

Java Persistence API
The Java Persistence API is the standard API for the management of persistence and object/relational mapping. It provides an object/relational mapping facility for application developers using a Java domain model to manage a relational database.  The Java Persistence API is part of the Java EE platform.  It can also be used in Java SE environments.

EJB 2.1 specification
This spec, created under the Java Community Process (JCP), enhances EJB architecture with support for Web services, making it easier to implement and deploy Web services applications based on Java technology.

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GlassFish Participate in the community development of the latest version of Sun Java System Application Server, which implements the newest features in the Java EE 5 platform.
 
The Basics of GlassFish Learn the basics of GlassFish -- what it is, why it's important, and how to get involved.
 
Java Enterprise Community Here's the place to exchange ideas with other developers working with Java EE technologies.
 
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