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is EJB,s knowledge Must?

 
v learner
Greenhorn
Posts: 1
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What problem does developer has to face when he has no idea about EJB but he is aware of struts and Spring?
 
Michael A Hoffman
Ranch Hand
Posts: 37
Java jQuery Spring
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Are you talking about EJB 2 or 3? I still see some legacy applications using EJB 2, including IBM products like WebSphere Commerce. EJB 3 is seeing some adoption, but many of the applications I use just leverage JPA without EJB 3. I still recommend understanding the core concepts of EJBs as they are useful patterns. This includes understanding the difference between entity and session beans, transaction management, etc.
 
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