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EJB 2.0 vs EJB 3.0 vs EJB 3.1

Posted on 2011-09-05
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I would like to know the differences, comparisons, advantages, disadvantages of EJB 2.0, EJB 3.0, EJB 3.1.  When , how, why we use them. Thanks in advance
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Question by:gudii9
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