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EJB Interview Questions and Answers

  Difficulty Level: AllBeginnerIntermediateExperienced/Expert

Ques 1. What are the different types of EJB?

Ques 2. Explain the life cycle method of EJB?

Ques 3. Can a Session Bean be defined without ejbCreate() method?

Ques 4. What is the difference between ejbCreate() and ejbPostCreate?

Ques 5. What are the optional clauses in EJB QL?

Ques 6. Can I invoke Runtime.gc() in an EJB?

Ques 7. What are the two important TCP Socket classes?

Ques 8. What is Ripple Effect?

Ques 9. What is a Clone?

Ques 10. What’s new in the EJB 2.0 specification?

Ques 11. How can I access EJB from ASP?

Ques 12. What is the relationship between local interfaces and container-managed relationships?

Ques 13. What is the difference between session and entity beans?

Ques 14. What are Local Interfaces? Explain.

Ques 15. Can Entity Beans have no create() methods?

Ques 16. What are the methods of Entity Bean?

Ques 17. Can I develop an Entity Bean without implementing the create() method in the home interface?

Ques 18. Can the primary key in the entity bean be a Java primitive type such as int?

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