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

Why is my jms work not part of a user transaction (i.e., Called within a transaction but not rolled back appropriately)? How do I track down transaction problems? : BEA Weblogic

926

How do I prevent errors when running t3dbping? : BEA Weblogic

894

What precautions should I take when I use blocking receive() calls? : BEA Weblogic

998

How does a file store compare with a jdbc store? : BEA Weblogic

969

Why does jmssession.createtopic or jmssession.createqueue fail to create a destination in wls jms 6.1 (it worked in 5.1)? : BEA Weblogic

1043

How do I start wls and configure jms? : BEA Weblogic

1019

How do I use a startup class to initialize and later reference jms objects? : BEA Weblogic

973

Is it better to have more or fewer sessions for a given number of subscribers? : BEA Weblogic

1006

Can weblogic server start with a unix boot? : BEA Weblogic

973

When should I use server session pools and connection consumers? : BEA Weblogic

1013

How do I use jta transactions within an mdb? : BEA Weblogic

1023

How can I run multiple instances of the same servlet class in the same weblogic server instance? : BEA Weblogic

1015

How do I issue the close() method within an onmessage() method call and what are the semantics of the close() method? : BEA Weblogic

973

How do I increase weblogic server memory? : BEA Weblogic

1015

How do I use a less than or greater than on a message selector in ejb-jar.xml? : BEA Weblogic

975

Un-Answered Questions { Java J2EE }

What is the range of the short type?

1033

Can a static method be final?

1078

What are 4 drivers available in JDBC? At what situation are four of the drivers used?

979

What is a spring in java?

454

What is character in data type?

973

How is the get () method different from the post() method?

994

What is the use of @required annotation?

418

Why do we need hibernate framework?

448

What is the use of cache in hibernate?

499

Is that servlet is pure java object or not?

1135

What is mulicast in weblogic?

1133

Explain about hibernate proxy?

355

What are concurrency strategies?

461

Do you need an alignment after replacing struts?

959

How do you declare a string variable?

1033

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