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 singleton math?

1160

What is meant by singleton class?

1049

When would you use a static class?

998

Why can't we use static class instead of singleton?

964

What is the difference between static class and normal class?

1055

Why is singleton instance static?

1014

How can we break singleton in java?

983

Should database connections be singleton?

978

Can singleton class be cloned?

1068

What do you mean by singleton class in java?

923

What is a singleton puppy?

999

How do singleton patterns work?

987

How do you define a singleton class?

1103

What is singleton service?

990

Is static a singleton?

994

Un-Answered Questions { Java J2EE }

Is it possible to compare various strings with the help of == operator? What are the risks involved?

1088

Define the toolbar elements.

1057

What happens if my dmgr is not running?

1008

What is main in java?

1163

Why do we use jdbc in java?

1068

Explain the war file?

1080

When arithmeticexception is thrown?

1048

What are the various components of a spring application?

434

What is the purpose of the enableevents() method?

1063

What is the main difference between Client side Java Script and and Server side Java Script how actually they run on both side with Example.

1128

Can I have two session factory in a single hibernate cfg xml?

561

Tell me about different OOPS concepts.

1022

What are the features of hibernate?

347

Differences between an application server and a web-server? What is the conman architecture which is used forhigh availability and load balancing describe in few lines.

973

How you will make available any message resources definitions file to the struts framework environment?

989

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