Why is ejb needed?
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what is current EJB version?
What is passivation and activation in ejb?
What is @injectmock?
What is an entity and its types?
How enterprise beans will handle concurrent and loopback calls on entity beans?
What is difference between stateless and stateful?
Is ejb be called from another ejb? If yes then how?
What are ejb containers?
What is stateless session?
What does a deployment diagram specify?
Where a bean can be used ?
How does ejb work in java?