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The Java EE 6 Tutorial: Basic Concepts, Fourth Edition by Chinmayee Srivathsa, Kim Haase, Devika Gollapudi, Ian Evans, Eric Jendrock

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Chapter 14. Enterprise Beans

Enterprise beans are Java EE components that implement Enterprise JavaBeans (EJB) technology. Enterprise beans run in the EJB container, a runtime environment within the GlassFish Server (see “Container Types” on page 14). Although transparent to the application developer, the EJB container provides system-level services, such as transactions and security, to its enterprise beans. These services enable you to quickly build and deploy enterprise beans, which form the core of transactional Java EE applications.

The following topics are addressed here:

• “What Is an Enterprise Bean?” on page 245

• “What Is a Session Bean?” on page 247

• “What Is a Message-Driven Bean?” on page 249

• “Accessing Enterprise Beans” on page ...

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