Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java (6529)
Advanced Java (552)
Swing (223)
EJB (402)

Servlets (804)
Struts (701)
JDBC (771)
JMS (324)

SunOne (10)
J2EE (485)
Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

Difference between DurableSubscription and non- DurableSubscription?

2192

Explain the stub's and skeleton's functionality?

7 12124

What is the main functionality of RRL(Remote Reference Layer)?

3 17512

To identify IDL language what mapping mechanism is used?

3940

Name the method to find, if a thread is active or not?

2 7505

Explain the purposes of methods wait(), notify(), notifyAll ()?

2 5495

What is the return type of interrupt method?

2 6374

What is TL and its use?

2468

What is thread deadlock? How to resolve thread deadlock?

3 8373

To make an object to begin executing as a separate thread, what method is used?

2 4562

What method MUST be implemented by all threads?

1 8089

When a thread terminates its processing, it enters into what state?

1 8930

What is the name of the state, when a thread is executing?

4 7274

How messaging services are done, before release of JMS?

2135

What state a thread enters, When it blocks on I/O?

2 4997

Un-Answered Questions { Java J2EE }

What is the vector class in java programming?

1079

What is front end technology in java?

972

Is it possible to have a constructor inside the servlet?

1009

What is the use of singleton?

958

When servlet is loaded?

1075

How do I know if java is installed?

1082

What is hibernate and why it is used?

354

Which technologies can be used at view layer in struts?

1077

Explain portal architecture.

850

Difference between nested and inner classes ?

1122

What is hibernate query cache?

401

Can we refresh servlet in client and server side automatically?

1047

What do you mean by java swing?

944

What does kms mean?

804

What do you mean by the deployment descriptor?

977

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