EJB Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

EJB Interview Questions

Questions Answers Views Company eMail

What is the purpose of JNDI?

6 25919

How does legacy object mapping work?

1 4554

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

2 7000

What Is EJB Clustering? Explain the Functionality?

Business Architectures, College School Exams Tests, HCL,

1 6964

what is ejb

Tech Mahindra,

3 7397

What is the purpose of a transaction monitor?

1 4865

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

Infosys,

2921

What is the perpose of EJBs?

3 6099

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

CTS,

2 10499

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

CTS,

2 8790

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

Microsoft, Mind Tree, Tech Mahindra,

2 25258

whatis the diff between ejb and servlet/jsp

TCS,

6 20513

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

EdgeSoft,

2301

what is an ejb object?

Bally Technologies, HCL, Siemens,

5 20061

Driver manager is a class/interface.

Bally Technologies, College School Exams Tests, TCS,

5 19564

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Un-Answered Questions { EJB }

What is the new basic requirement for a cmp entity bean class in 2.0 from that of ejb 1.1?

947

What is ejb and its uses?

930

What do you mean by bean managed transaction?

995

What are the callback annotations for the stateless bean?

912

What is applicationscoped?

928

Enlist the CallBack methods of Entity Bean.

974

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

921

What is EJB server provider?

1074

Enlist the contents of Container.

1015

What is remote interface in ejb?

920

Differentiate “find a method” from “select method” in EJB ?

951

can anyone explain me the workflow of EJB.I have developed an app. in WSAD using an example that contains CMP and session bean.But i am not able to understand the basic flow between diffrent packages.

2326

Is having static initializer blocks legal in ejb?

906

What is the difference between ejb and java beans?

961

When was ejb developed?

970

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