Should services be stateless?
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What is ejb 3?
What is the difference between message driven beans and stateless session beans?
What are the callback annotations for entity bean?
What are ejb containers?
What does @singleton annotation do?
How to create ejb project in eclipse?
What do you understand by session facade?
ejbCreate in Entity bean and create method in EJB home, have the same parameters?
Life cycle methods in stateful session beans?
What are the components of session beam?
can u explain about design patterns like singleton,builder,factory
Is it possible to write two ejb’s that share the same remote and home interfaces, and have different bean classes? If so, what are the advantages/disadvantages?