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EJB Interview Questions
Questions Answers Views Company eMail

What is the purpose of JNDI?

6 21726

How does legacy object mapping work?

1 3250

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

2 5454

What Is EJB Clustering? Explain the Functionality?

Business Architectures, College School Exams Tests, HCL,

1 5451

what is ejb

Tech Mahindra,

3 5113

What is the purpose of a transaction monitor?

1 3549

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

Infosys,

2114

What is the perpose of EJBs?

3 4177

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

CTS,

2 8695

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

CTS,

2 6923

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

Microsoft, Mind Tree, Tech Mahindra,

2 23197

whatis the diff between ejb and servlet/jsp

TCS,

6 16380

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

EdgeSoft,

1517

what is an ejb object?

Bally Technologies, HCL, Siemens,

5 16823

Driver manager is a class/interface.

Bally Technologies, College School Exams Tests, TCS,

5 16191


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Un-Answered Questions { EJB }

What are the different kind of ejb's?

209


What is ejb role in j2ee?

214


Should services be stateless?

171


Who took over ejb?

235


What is bean-managed persistence?

220






What were entity beans?

234


Can tomcat run ejb?

185


Is method overloading allowed in ejb?

208


Explain transaction and various methods to manage it?

192


Differentiate Conversational from Non-conversational interactions?

206


What are the callback annotations for entity bean?

193


What is @injectmock?

165


Is it possible to share an httpsession between a jsp and ejb?

182


How does ejbs work?

181


What is the advantage of using entity bean for database operations, over directly using jdbc api to do database operations? When would I use one over the other?

217