What are the key benefits of the EJB technology?

EJB Interview Questions and Answers

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6. What are the key benefits of the EJB technology?

1. Rapid application development
2. Broad industry adoption
3. Application portability
4. Protection of IT investment

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Other Interview Questions

• What is the difference between EJB and Java beans?
• Does RMI-IIOP support code downloading for Java objects sent by value across an IIOP connection in the same way as RMI does across a JRMP connection?
• What is Entity Bean and Session Bean ?
• How is persistence implemented in enterprise beans?
• What is message-driven bean?
• Is there any way to read values from an entity bean without locking it for the rest of the transaction (e.g. read-only transactions)?
• What are the key features of the EJB technology?
• Is it possible to share an HttpSession between a JSP and EJB? What happens when I change a value in the HttpSession from inside an EJB?
• How is persistence implemented in enterprise beans?
• Is is possible for an EJB client to marshal an object of class java.lang.Class to an EJB?
• More...