INTERVIEW QUESTIONS J2EE EJB DETAILS

Question: What are the call back methods in Session bean

Answer: Session bean callback methods differ whether it is Stateless or stateful Session bean. Here they are.

Stateless Session Bean
1. setSessionContext()
2. ejbCreate()
3. ejbRemove()

Stateful Session Bean

1. setSessionContext()
2.ejbCreate()
3.ejbPassivate()
4.ejbActivate()
5.ejbRemove()

Session bean callback methods differ whether it is Stateless or stateful Session bean. Here they are.

Stateless Session Bean
1. setSessionContext()
2. ejbCreate()
3. ejbRemove()

Stateful Session Bean

1. setSessionContext()
2.ejbCreate()
3.ejbPassivate()
4.ejbActivate()
5.ejbRemove()
Source: CoolInterview.com

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