What does @singleton annotation do?
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What is Transaction attribute?
What is the use of @resource?
Can more than a single table be mapped in cmp?
what s the difference b/w EJB 2.0 and EJB 3.0 technically
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can u explain about design patterns like singleton,builder,factory
Life Cyle methods in Entity Bean with Bean Managed Persistence
What is the default transaction attribute for an ejb?
What is ejb role in j2ee?
What are the advantages of ejb?
Is it legal to have static initializer blocks in ejb?
What is ejb and its architecture?
What are the components of session beam?