Sandra L. Emerson

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JavaSoft defined the Enterprise JavaBeans specification to give Java developers a foundation for building distributed business components. EJBs are Java components that implement business logic and follow a contract designated in the EJB specification. Enterprise JavaBeans live inside an EJB container that provides a set of standard services, including transactions, persistence, security, and concurrency. This means that the application programmer is freed from developing these services from scratch. To get the most out of using EJBs in an enterprise-level distributed application supported by a J2EE-compliant application server, programmers should: Closely conform to the EJB specification. Use available tools for bean development and compliance checking. Learn to benefit from the experiences of others. As outlined in this article, best practices for EJBs are based ... (more)