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

What is enterprise javabeans (ejb) container?

993

What’s new in the ejb 2.0 specification?

1049

What is ejb role in j2ee?

1134

What optimization could I use if the ejb container is the only point of write access to the database?

1019

Can an ejb send asynchronous notifications to its clients?

996

What are the differences between ejb 3.0 and ejb 2.0?

1044

Is decorator an ejb design pattern?

1146

What is the default transaction attribute for an ejb?

991

What is difference between ejb 1.1 and ejb 2.0?

1024

What’s the difference between hibernate and ejb 3? Don’t you think ejb 3 is just a clone of hibernate?

1023

Is it legal to have static initializer blocks in ejb?

1020

Explain how to render an html page using only swing.

1457

Which swing methods are thread-safe?

1138

Why would you use swingutilities.invokeandwait or swingutilities.invokelater?

972

How to render an html page using only swing.

1020

Un-Answered Questions { Java J2EE }

How to create applicationcontext in a java program?

492

What is the basic concept of spring?

451

Is hashset sorted in java?

1198

Explain how to convert any java object into byte array.

990

What is swing gui?

945

What are result types in struts?

1022

What are pojos?

427

What is a singleton class in Java?

1082

What does super keyword do?

1093

What is mappedby in hibernate?

421

What is jakarta struts framework?

994

Explain the working principle of the spring mvc framework.

536

What is authorization?

975

whats is statement and procedure

2231

What are inner classes or non static nested classes in java?

1196

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