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

How can I connect mysql or oracle with java?

966

What is the reason why we need a jdbcrowset like the wrapper around resultset?

975

What is the return type of execute, executequery and executeupdate?

1109

Why “no suitable driver” error occurs?

1080

What are database warnings in jdbc and how can we handle database warnings in jdbc?

997

What do you mean by ‘hot deployment’ ?

1064

How does ejb invocation take place?

1018

What do you mean by ejbdoclet?

1066

What changes have been made in ejb 2.0 specifications?

1046

What are versions of ejb?

1061

How can a session bean be configured for transactions of bean-managed?

1104

Can more than a single table be mapped in cmp?

1020

When was ejb developed?

1015

Are entity beans allowed to create() methods?

1053

What do you mean enterprise javabeans (ejb) container?

1110

Un-Answered Questions { Java J2EE }

What is delegation?

979

What do you understand by overloading and overriding in java?

1076

What is the difference between binding connection and client connection?

1019

How does map works in java?

994

Difference between abstract and concrete class ?

1173

What are jsr 250 annotations?

415

How to inject a java.util.properties into a spring bean?

412

Name few wcs controller commands used in your application for member subsystem?

884

What is spring default autowiring?

442

What is a numeric digit?

1082

What is the purpose of the serializedsystemini.dat file?

1061

Break statement can be used as labels in java?

1002

What is the difference between open session and get current session?

482

what may cause problem in profile creation?

872

What is the diffrence between a local-tx-datasource and a xa-datasource? Can you use transactions in both?

1033

For More Un-Answered { Java J2EE } Questions Click Here