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 you reverse a string?

8 11043

How can you take string into InputStream?

3 6658

How many times garbage collector will invoke an object?s finalize() method?

4 7652

How applets will communicate with each other?

1 4384

What method is used to compare two strings ?

4 10426

How to know the host from which Applet is originated?

Wipro,

1 3658

How to prevent a field from serialization ?

2 10299

How to add panel to a Frame?

5 15099

How can a class be accessed, If no access modifiers are declared?

4 8025

How to access a method that it declared as protected?

3 6576

How to access a variable if it is declared as private?

3 7346

How to re-get an object that is collected by garbage collector?

1 4242

What we have to do, when we don't want to implement all methods of an interface?

5 8558

How to display names of all components in a Container?

Microsoft, Wipro,

3000

Name the package that most of the AWT events that supports event-delegation model are defined?

2 6609

Un-Answered Questions { Java J2EE }

What is an orm tool?

467

What's the purpose of using break in each case of switch statement?

1047

In a program, initializing an array of 100 KB is throwing an out of memory exception while there is 100 MB of memory available. Why?

1127

How do you sort arrays in java?

995

What is hibernate save method return?

460

What are the appserver components?

945

What is the purpose of garbage collection in java?

1148

What is the meaning of I ++ in java?

1258

What are the different methods of session management in servlets?

1085

In a container there are 5 components. I want to display the all the components names, how will you do that one?

1091

What are peerless components?

1155

Why does abstract class have constructor?

1073

How does cluster communication happen?

1100

What is dynamic binding(late binding)?

1100

What is delegatingvariableresolver?

457

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