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

Is singleton thread safe in java?

988

Can memory leak in java?

1039

Can a static method be overridden in java?

1022

What is an anonymous class in java?

1104

What is package private scope in java?

949

Can we extend private class in java?

985

What is adapter in java?

926

Can a class be private or protected in java?

1064

How do you override a private method in java?

983

Why we use protected in java?

977

What is private static class in java?

1018

What if constructor is protected in java?

1125

What is anti pattern in java?

969

Can inner class be public in java?

1017

What is a private class in java?

1054

Un-Answered Questions { Java J2EE }

What is a memory leak in java?

1074

What environment variables are required to be set on a machine in order to run Java programs?

1194

What happens if we don't close the connection in jdbc?

883

Which containers use a flowlayout as their default layout in java programming?

1014

When do you get classcastexception?

1031

What is an array length?

905

what are the integration and supported environments in ibm mq?

896

What is spring dao?

414

Can we use different return types for methods when overridden?

1001

What is drivermanagerdatasource in spring?

404

What is dirty read problem in hibernate?

365

In a class implementing an interface, can we change the value of any variable defined in the interface?

1086

What are the advantages of hibernate?

471

In java, how we can disallow serialization of variables?

994

Which services are provided to ejb components by the ejb container?

1141

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