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

Write an algorithm for quick sort?

Virtusa,

1021

Explain access specifiers?

Thomson Reuters, Virtusa,

1174

Explain the concept of proper inheritance?

Thomson Reuters, Virtusa,

1065

When should a function throw an exception?

Thomson Reuters, Virtusa,

1033

When do you call copy constructor?

Tavant Technologies, Virtusa,

971

Difference between operator overloading and function overloading

Tavant Technologies, Virtusa,

1060

Explain about OOPS concepts and fundamentals.

Syntel, Visa,

1042

State the difference between strings and arrays.

Syntel, Visa,

1234

State two differences between C and Java.

Syntel, Visa,

1325

What do you mean by pointer value and address?

Syntel, Visa,

1045

What is a two-pass assembler?

Syntel, Visa,

1049

What is the difference between a loader and a compiler?

Syntel, Visa,

1030

Explain OOPs concept.

Syntel, Visa,

1077

Explain polymorphism citing an example.

Amazon,

1039

What are exceptions

Futures First,

1096

Un-Answered Questions { Java J2EE }

Is it possible to send or receive a message from within a message listener? : BEA Weblogic

910

What is array class in java?

1059

Write a program to find the greatest of three numbers in java?

999

Is it possible to instantiate the abstract class?

952

Are there c/c++ interfaces to wls jms?

863

What is jboss hibernate?

471

What WebSphere Application Server proprietary extensions provide for J2EEâ„¢ security?

826

What is rule of accessibility in java?

1023

Why do we need singleton?

961

Can I use the getattribute() and setattribute() methods of version 2.2 of the java servlet api to parse xml documents? : BEA Weblogic

976

List down the steps for the demonstration of ejp persistence mechanism.

1092

What will be the initial value of an object reference which is defined as an instance variable?

1134

What are the benefits of PreparedStatement over Statement?

1002

What about features of local inner class?

1061

How to do encapsulation in java?

1049

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