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

Who developed java?

999

What is finalize() function in java?

1025

Explain the inheritance?

986

How we can skip finally block of exception even if some exception occurs in the exception block in java?

953

What is the base class of all exception classes in java?

1060

Explain the difference between jdk, jre, and jvm?

1045

What is java virtual machine? Explain

1036

how we can make a read-only class in java?

1002

What is "this" keyword in java? Explain

1104

how we can create packages in java?

973

What is abstract class? Explain

1051

what is instanceof operator used in java?

1041

How we can generate random numbers in java?

1136

What do you mean by local variable and instance variable?

959

What is the differences between c++ and java? Explain

1060

Un-Answered Questions { Java J2EE }

Is array size fixed in java?

980

What do you mean by in-memory replication?

1078

Write a program to print fibonacci series up to count 10.

904

What is methodological framework?

1051

What is merge sort in java?

984

Explain the usage of this with constructors?

1029

how many objects are required for distribution queuing?

917

You are getting a error in your appserver/webserver logs "connection refused", from the operating system perspective how will you troubleshoot this?

1028

How can you write a loop indefinitely in java programming?

1037

What is proxy in hibernate?

411

What are the differences between execute, executequery, and executeupdate?

962

What mechanisms are used by a Servlet Container to maintain session information?

1175

What is the implementation of destroy method in java. Is it native or java code?

974

Which class cannot be a subclass in java?

1028

What are the applications in websphere?

850

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