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EJB Interview Questions and Answers

NEW INTERVIEW QUESTIONS.COM J2EE INTERVIEW QUESTIONS EJB INTERVIEW QUESTIONS QUESTIONS LISTING

EJB Interview Questions & Answers

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Question:	Can I use session beans and hibernate (instead of entity beans) for persitance?
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Question:	Why we are not keeping Ejb class file in war
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Question:	What is the need of two Objects i.e EJBHome object and EJBobject to access a bean??
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Question:	Without home and remote interfaces cant we implement ejb?
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Question:	What are webservices?
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Question:	What is the difference between bean:write and bean:message
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Question:	Why an onMessage call in Message-driven bean is always a seperate transaction ?
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Question:	What is the lifecycle of Entity Bean ?
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Question:	What is the difference between local interface and remote interface ?
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Question:	What is the difference between EAR, JAR and WAR file ?
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Question:	What is the difference between activation and passivation ?
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Question:	What is Message Driven Bean ?
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Question:	What is re-entrant. Is session beans reentrant. Is entity beans reentrant ?
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Question:	What is deployment descriptor
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Question:	What are the call back methods in Entity bean ?
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Question:	What are the various transaction attributes and differences between them ?
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Question:	Is stateless Sessiob bean create() method contains any parameters
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Question:	What is the life cycle of MDB ?
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Question:	What is lazy loading
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Question:	What is the difference between JNDI context, Initial context, session context and ejb context
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Latest 10 Answers

VB script for coding ,

class a:0-127 class b:128-191,class c:192-223 ,class d:224-uesing nassa

bcoz java doesn't support multiple inheritance

because its graduation coarse and what i feel is that getting knowledge is more important than getting marks and whatever ur agregate is u must be that much technically strong

Servlet is based on java language that uses to build up a webapplication.Servlet works on client server technology.

Using WebServices.... by generating a WSDL file of XML and providing it to client

now a days, the os mostly used in companies is only and only LINUX, the starting salary in LINUX will be around 20k++.

ans is 8 only not 10 ..... try with TC.

Improve your logic, never stop learning,be flexible with multiple technologies.

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