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

Ho do you troubleshoot server hang?

1053

How do you do performance tuning of wls?

1099

How to troubleshoot it?

961

What can be the reasons of server hang?

1020

When does high cpu usage occur?

1003

How many enterprise beans?

964

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

913

What is the advantage of using entity bean for database operations, over directly using jdbc api to do database operations?

1006

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?

1174

What happens when I change a value in the httpsession from inside an ejb?

983

Is is possible for an ejb client to marshal an object of class java.lang.class to an ejb?

993

What is message-driven bean?

1029

What is the difference between session and entity beans? When should I use one or the other?

979

What is the difference between message driven beans and stateless session beans?

990

What are the key benefits of the ejb technology?

1045

Un-Answered Questions { Java J2EE }

Difference between first level and second level cache in hibernate?

427

what is cvs (concurrent version system)?

957

How long does it take to master java?

930

What is the difference between private & public & friendly classes?

1062

How can you fetch records by spring jdbctemplate?

391

How does spring dependency injection work?

418

What are controls and their different types in awt?

1086

What is difference between @resource and @autowired?

409

Can a final variable be null?

1016

How do you create a reference in java?

977

Does weblogic jms support clustering?

830

How do you ensure that n threads can access n resources without deadlock?

1308

What does @bean annotation mean?

453

Write java program to reverse string without using api?

1050

How to determine SGA site?

2541

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