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 26164

How does legacy object mapping work?

1 4641

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

2 7090

What Is EJB Clustering? Explain the Functionality?

Business Architectures, College School Exams Tests, HCL,

1 7032

what is ejb

Tech Mahindra,

3 7519

What is the purpose of a transaction monitor?

1 4961

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

Infosys,

2984

What is the perpose of EJBs?

3 6219

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

CTS,

2 10608

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

CTS,

2 8905

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

Microsoft, Mind Tree, Tech Mahindra,

2 25361

whatis the diff between ejb and servlet/jsp

TCS,

6 20776

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

EdgeSoft,

2335

what is an ejb object?

Bally Technologies, HCL, Siemens,

5 20249

Driver manager is a class/interface.

Bally Technologies, College School Exams Tests, TCS,

5 19761

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Un-Answered Questions { EJB }

What are transaction isolation levels in ejb?

1024

How is ejb different from java beans?

972

What do you mean by ejb?

996

Can more than a single table be mapped in cmp?

1020

What is an entity manager?

999

What are the callback annotations for the stateless bean?

960

What is use of @postconstruct?

953

How does ejb invocation take place?

1018

What is the meaning of acid in the connection of transaction management?

1048

Is microservice stateless?

923

What do you mean by in-memory replication?

1070

What is ejb in spring?

925

What is the difference between session and entity beans? When should I use one or the other?

979

How do you decide whether you should use session, entity or message driven bean?

1038

What’s the difference between hibernate and ejb 3? Don’t you think ejb 3 is just a clone of hibernate?

1008

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