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Java™ Application Development on Linux - Dator

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Chapter 21Introducti<strong>on</strong> toEnterprise JavaBeansThis chapter will serve as an almost criminally brief introducti<strong>on</strong> to EnterpriseJavaBeans, their varieties, and their uses.21.1WHAT YOU WILL LEARNYou will learn the basics of Enterprise JavaBeans and the Java Naming andDirectory Interface, which is how applicati<strong>on</strong>s and EJB’s meet up with <strong>on</strong>eanother.21.2EXPANDING TO EJBSAll right, we’ll admit it. It is a bit of a stretch to expand our sample applicati<strong>on</strong>to the J2EE Enterprise JavaBean comp<strong>on</strong>ent model. The truth is, given thesmall data requirements and simplicity of our applicati<strong>on</strong>, the Web fr<strong>on</strong>t endthat we put <strong>on</strong> our applicati<strong>on</strong> in the previous chapters is probably sufficientto scale our applicati<strong>on</strong> to even very large organizati<strong>on</strong>s.473

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