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IBM WebSphere: Deployment and Advanced Configuration by Roland Barcia, Keys Botzum, Tom Alcott, Bill Hines

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Chapter 9. Enterprise JavaBeans

Enterprise JavaBeans is a core technology in the J2EE platform. Enterprise JavaBeans are server-side components that run inside a managed environment, in our case, the EJB container inside WebSphere Application Server (WAS). The EJB container provides services to applications so that developers do not have worry about creating low-level system code. These services include:

  • Resource pooling— Connections to resources, such as JDBC, are pooled to allow for better use of those resources. Any resource defined on a J2EE server is easily accessible to EJB applications.

  • Transaction management— Transactional coding is not easy and requires advanced knowledge of low-level code. EJB applications have their transactions ...

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