Detailed

ejb
novice novice , want to learn ejb principle .
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EJB is a server-side component model of the sun , the design objectives and core applications are deploying distributed applications. With the advantage of cross-platform java using EJB technology deployment of distributed systems can be limited to a specific platform. EJB (Enterprise JavaBean) is part of J2EE defines a component-based enterprise for the development of multi- standard applications . Features include support for Web services and core development tools (SDK). In the J2EE Lane , Enterprise Java Beans (EJB) called Java Enterprise Bean, Java's core code, respectively Session Bean (Session Bean), Entity Bean (Entity Bean) and Message-Driven Bean (MessageDriven ; Bean).
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http://www.iteye.com/topic/3832
http://www.iteye.com/topic/1036