Enlist the changes in EJB 2.1 ?
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what is mean by API ? Please answer me. Advance thanks.
What is jar, war, and ear?
How stateful session beans will maintain consistency, across transaction updates?
What is the difference between ejb and spring?
How is an entity bean created?
What are the types of ejb?
What is remote interface in ejb?
Explain the concept of ejb ql?
What is bean-managed persistence?
What is stateless and stateful session bean in ejb?
An instance of stateful session ejb when accessed simultaneously from more than one clients on same vm results in remoteexception or ejbexception. In case the client is a servlet thread, which of the techniques can be used to avoid remoteexception/ejbexception?
what are required main interfaces in EJB?