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 do you know about the garbage collector?

1115

what is meant wrapper classes?

1204

What is update method called?

1157

What are the advantages of java over C++?

1201

What is the exact difference in between Unicast and Multicast object? Where will it be used?

1058

What is constructor and virtual function? Can we call a virtual function in a constructor?

1143

What is the functionality of the stub?

1037

Why there are some null interface in JAVA? What does it mean? Give some null interface in JAVA?

1086

What is JFC?

1243

What are the files generated after using IDL to java compiler?

1148

What is meant by distributed application? Why are we using that in our application?

947

Tell some latest versions in JAVA related areas?

984

What is the difference between Grid and Gridbaglayout?

1244

Why java is considered as platform independent?

1005

What do you mean by light weight and heavy weight components?

1017

Un-Answered Questions { Java J2EE }

Should I override the service() method?

1092

What are the orm frameworks?

366

Can I run seam outside of jboss as?

1078

What is the purpose of @after annotation?

1030

Tell me what are the causes of having ociw32.dll error in the database of web logic server?

1074

Do you need @override?

401

What are the appserver components?

890

Do I need hibernate cfg xml?

443

What are action classes in struts?

967

What does substring mean?

976

How to find whether a parameter exists in the request object?

1110

What is a local, member and a class variable?

1038

How can a gui component handle its own events?

1113

What is spring controller?

401

What is button in java?

909

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