What is the purpose of ejb in java?
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can u explain about design patterns like singleton,builder,factory
Explain the concept of local interfaces?
What is EJB server?
What is bean-managed persistence?
Name the acid properties of a transaction.
List some key actors in persistence api.
What are the required methods to implement EJB architecture?
How 'messaging' supported in EJB 2.0 Specification?
Can EJB made to handle multiple transactions?
What is an ejb container?
What is JAR file?
What is use of @postconstruct?