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

In corba, which of the files generated by the idltojava compiler must be compiled before running the server application? : BEA Weblogic

1028

What is bea weblogic? : BEA Weblogic

1015

Why did my jdbc code throw a rollback sqlexception? : BEA Weblogic

994

What is the no_acknowledge acknowledge mode used for? : BEA Weblogic

1006

I tried to run two of the applets in the examples directory of the distribution? : BEA Weblogic

935

While packaging the web application defaultwebapp for deployment into the weblogic server, the home and remote interfaces of the enterprise beans used by the servlets should reside in which directory? : BEA Weblogic

1054

What can I do when I get java.lang.outofmemoryerror because producers are faster than consumers? : BEA Weblogic

985

What causes an ociw32.dll error? : BEA Weblogic

1171

How do an rmi-iiop application and an existing corba object interoperate? : BEA Weblogic

995

How many messages are sent across the network for processing topic messages? : BEA Weblogic

1006

Why does for update in oracle 8 cause an ora-01002 error? : BEA Weblogic

988

How do I handle request/response using jms? : BEA Weblogic

1061

How do I connect to an sql server instance that is running on a machine with multiple instances of sql server 2000? : BEA Weblogic

1039

How do I limit the number of oracle database connections generated by weblogic server? : BEA Weblogic

983

How does concurrency work for message-driven beans? : BEA Weblogic

992

Un-Answered Questions { Java J2EE }

What is the difference between concern and cross cutting concern in spring aop?

392

What is contextloaderlistener?

512

When super keyword is used?

1028

what are the telemetry capabilities?

943

What is the process to implement doget and dopost methods?

1004

Differentiate between a class and an object.

1050

What are the contents on web.xml in struts application ?

994

How can enterprise javabeans be accessed from active server pages?

1039

Say any two properties in beans?

1076

What is the difference between break and continue statements?

1052

Why hashmap is used in java?

1111

What does jre stand for?

1080

What is meant by data hiding/encapsulation?

1122

Why are swing components called lightweight components?

944

What is append function?

1019

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