INTERVIEW QUESTIONS J2EE EJB DETAILS

Question: Can a Session Bean be defined without ejbCreate() method?

Answer: The ejbCreate() methods is part of the bean's lifecycle, so, the compiler will not return an error because there is no ejbCreate() method.

However, the J2EE spec is explicit:

· the home interface of a Stateless Session Bean must have a single create() method with no arguments,
while the session bean class must contain exactly one ejbCreate() method, also without arguments.

· Stateful Session Beans can have arguments (more than one create method)

The ejbCreate() methods is part of the bean's lifecycle, so, the compiler will not return an error because there is no ejbCreate() method.

However, the J2EE spec is explicit:

· the home interface of a Stateless Session Bean must have a single create() method with no arguments,
while the session bean class must contain exactly one ejbCreate() method, also without arguments.

· Stateful Session Beans can have arguments (more than one create method) Source: CoolInterview.com

without writing ejbCreate method there is no question of developing sessionbean component
ejbcreate is not given in any interface but it is still acting as a lifecycle method because in sfsb component there is a chance of taking n number of create() metods based on client requirement because of this reason they not given this ejbcreate in any interface
ifhe given in sessionbean interface programmers are restricted to override that pertivcular method only to avoid this problem they not given ejbcreate() method in any interface Source: CoolInterview.com

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