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 the difference between the boolean & operator and the && operator in java programming?

1062

Can a lock be acquired on a class in java programming?

1007

What do heavy weight components mean in java programming?

968

Name component subclasses that support painting in java programming?

1088

What class allows you to read objects directly from a stream in java programming?

1095

Name container classes in java programming?

1123

What is the vector class in java programming?

1101

Which class should you use to obtain design information about an object in java programming?

1097

What is the difference between a window and a frame in java programming?

1156

How can you write a loop indefinitely in java programming?

1042

What invokes a thread's run() method in java programming?

1207

What must a class do to implement an interface in java programming?

1080

When can an object reference be cast to an interface reference in java programming?

1038

What is the what is the difference between invokeandwait() and invokelater()? ?

1110

What's java swing?

1019

Un-Answered Questions { Java J2EE }

Why doesn't the java library use a randomized version of quicksort?

1009

What are collection pools?

987

Is boolean a data type in java?

978

What are the modules of j2ee?

927

What are the legal operands of the instanceof operator?

1046

Explain spring framework?

409

How to update data in database using spring and hibernate?

512

What is one-to-one association in hibernate?

415

How many types of design patterns are there?

1120

What is the purpose of hibernate?

410

how would you implement a thread pool? : Java thread

938

Which one is the default transaction factory in hibernate?

391

What is struts framework?

1006

What is the need of transient variables in Java ?

1086

Which is better jsp or servlet?

1073

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