TechFAQ

EJB interview questions

• what are Container-Managed Transactional attributes ? view answer
• What's difference between httpsession and EJB session bean ? view answer
• What are the Differences between EJB 3.0 and EJB 2.1? view answer
• Q. what are Container-Managed Transactional arributes ? view answer
• What is the default transaction attribute for an EJB? view answer
• Difference between SessionBean remove() and EntityBean remove() method? view answer
• Why do we have a remove method in both EJBHome and EJBObject? view answer
• 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? view answer
• What is the difference between a ?Coarse Grained? Entity Bean and a ?Fine Grained? Entity Bean? view answer
• What are the Interfaces need to create to implement Session Bean with Exmaple? view answer
• What are the parameters must follow for Session Bean ? view answer
• What are the callbacks method in Session Bean ? view answer
• What are the ways for a client application to get an EJB object? view answer
• What is handle and why it is used in EJB? view answer
• What is an EJB Context? view answer
• Implement Local and Remote Interfaces in EJB? view answer
• How can I call one EJB from inside of another EJB? view answer
• What is the difference between Message Driven Beans and Stateless Session beans? view answer
• What happens if remove( ) is never invoked on a session bean? view answer
• Can you control when passivation occurs? view answer
• Can the primary key in the entity bean be a Java primitive type such as int? view answer
• The EJB container implements the EJBHome and EJBObject classes. For every request from a unique client, does the container create a separate instance of the generated EJBHome and EJBObject classes? view answer
• How can i maintain a user session between servlets and stateful session ejbs? view answer
• What's difference between Servlet/JSP session and EJB session view answer
• 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? view answer
• How to call any EJB from a servlet/JSP/Java Client? view answer
• What are transaction isolation levels in EJB? view answer
• What are transaction attributes? view answer
• What is bean managed transaction? view answer
• Can Entity Beans have no create() methods? view answer
• What are the callback methods in Entity beans? view answer
• What is the difference between Container-Managed Persistent (CMP) bean and Bean-Managed Persistent(BMP) ? view answer
• What are the methods of Entity Bean? view answer
• What is Entity Bean? view answer
• What is Session Bean? view answer
• What are the different kinds of enterprise beans? view answer

!!! EJB interview questions !!!

How to call any EJB from a servlet/JSP/Java Client?

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