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EJB Interview Questions
Questions Answers Views Company eMail

What is the purpose of JNDI?

 6 23857

How does legacy object mapping work?

 1 3841

What is the relationship between an EJB component, EJB container, and an application server?

 2 6100

What Is EJB Clustering? Explain the Functionality?

Business Architectures, College School Exams Tests, HCL,

1 6073

what is ejb

Tech Mahindra,

3 6215

What is the purpose of a transaction monitor?

 1 4080

how can u integrate ejb and hibernate? How can u call hibernateDAO methods in session bean?

Infosys,

2451

What is the perpose of EJBs?

 3 5043

How can I call one EJB from inside of another EJB?

CTS,

2 9535

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

CTS,

2 7851

what s the difference b/w EJB 2.0 and EJB 3.0 technically

Microsoft, Mind Tree, Tech Mahindra,

2 24192

whatis the diff between ejb and servlet/jsp

TCS,

6 18373

can u explain about design patterns like singleton,builder,factory

EdgeSoft,

1892

what is an ejb object?

Bally Technologies, HCL, Siemens,

5 18371

Driver manager is a class/interface.

Bally Technologies, College School Exams Tests, TCS,

5 17682

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Un-Answered Questions { EJB }

What is ejb and its properties?

526

How to increase ejb transaction timeout in weblogic?

548

What do you mean by re-entrant? Can you say that session beans as re-entrant? Can entity beans be specified as re-entrant?

538

How can I access ejb from asp?

584

Can remove() be a Stateless Session bean?

578




What are the types of ejb?

542

How many enterprise beans?

542

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

Explain the concept of ejb ql?

601

What are stateless applications?

565

What is ejb and why it is used?

500

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

What does it mean to be stateless?

529

What is the use of @resource?

547

What changes have been made in ejb 2.0 specifications?

610

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