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EJB Interview Questions
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Which of the recommended practices to be performed in the ejbpassivate() method of a stateful session bean?

 595

An instance of stateful session ejb when accessed simultaneously from more than one clients on same vm results in remoteexception or ejbexception. In case the client is a servlet thread, which of the techniques can be used to avoid remoteexception/ejbexception?

 561

A client wants to preserve the reference to the ejbhome object of an enterprise bean instance and use it later. Which of the following can be serialized for this purpose?

 524

How do I use a less than or greater than on a message selector in ejb-jar.xml?

 528

Match the ejb functions given below with the functionality equivalent in sql?

 547

For ejb applications with bean-managed transaction demarcations, which of the following is used by the client to get a reference to the usertransaction object for the weblogic server domain?

 541

Which is the only method defined in the javax.ejb.handle interface?

 631

How does ejb invocation happens?

 550

What is the procedure for the creation of stateless ejb?

 541

What are the advantages of java beam?

 520

Explain the important elements of ejb?

 551

Explain the concept of connection pooling feature of ejb container?

 527

What are the various types of entity beam?

 548

What are the callback annotations for the stateless bean?

 494

What do you understand by session facade?

 523

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Un-Answered Questions { EJB }

What do you mean by ‘hot deployment’ ?

586

Is ejb be called from another ejb? If yes then how?

522

What is ejb in weblogic?

554

Why stateless is better than stateful?

526

Define ACID Properties?

594




What do you mean by ejb?

543

How is ejb different from java beans?

499

Is udp stateless?

573

Is decorator an ejb design pattern?

561

What is ejb container?

678

What do you understand by annotation in ejb to do the database entity relationships/mappings with examples?

560

What is entity bean?

584

What are the types of ejb?

542

Can remove() be a Stateless Session bean?

578

What is ejb ql?

570

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