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

Does WebSphere Application Server support Microsoft NTLM?

IBM,

912

Does WebSphere Application Server work with NIS?

IBM,

973

How do I configure WebSphere Application Server with firewalls or to use a management network?

IBM,

924

Is there any documentation available on how best to configure Microsoft Active Directory with WebSphere Application Server?

IBM,

938

What provisions does WebSphere Application Server provide to prevent denial of service attacks?

IBM,

871

When does WebSphere Application Server contact the registry for user information?

IBM,

855

Why do I need to enable SSO when using form-based login in my WebSphere Application Server application?

IBM,

946

Can Exception handling we can handle multiple catch blocks?

PUCIT,

1040

How to overcome the exception object reference not set to an instance of object?

Wipro,

1153

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?

MCN Solutions,

1052

What happens when a thrown exception is not handled?

Wipro,

1114

Can a class have a static inner class?

1083

Can classes declared using the abstract keyword cab be instantiated?

MCN Solutions,

1048

Difference between keyword and identifier.

TCS,

1030

What is var keyword ?

Wipro,

1190

Un-Answered Questions { Java J2EE }

What is a parameter in a function?

997

Which interceptor is responsible for mapping request parameters to action class Java Bean properties?

1060

Say any two properties in beans?

1062

What is difference between sorted collection and ordered collection, which one is better?

337

What are the different types of constructor?

995

Why annotations are used in hibernate?

431

In what ways can a web logic servers performance be improved upon?

930

What is evict in hibernate?

384

What do you understand by weak reference?

1011

What is a top level class in java?

1029

Why do we need a jdbcrowset like wrapper around resultset?

1252

Explain the tier architecture of a web logic server?

991

Are floats faster than doubles?

1063

What are the tables used for access control?

894

Is 0 a real number?

1043

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