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

What is hashing in java?

1048

Write a factorial program using recursion in java?

1031

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

1013

Why is string buffer better than string ?

Cyient,

1133

How many weblogic servers can I have on a multi-cpu machine?

1016

What are the two important tcp socket classes?

1104

How do I increase weblogic server memory?

1005

How can I set deployment order for applications?

1003

What is the java authentication and authorization service (jaas) 1.0?

1079

How should you type cast a remote object?

1006

What does isidentical() method return in case of different type of beans?

957

Why would a client application use jta transactions?

999

What happens if remove( ) is never invoked on a session bean?

962

Do ejbs have to be homogeneously deployed across a cluster?

1043

What happens when a failure occurs and the stub cannot connect to a weblogic server instance?

978

Un-Answered Questions { Java J2EE }

Why Java is not pure Object Oriented language?

1119

How do I type unicode?

987

What is Publish/Subscribe approach?

1415

What is JDBC PreparedStatement?

967

What do you mean by inner class in java? Explain

1076

Is singleton thread safe in spring?

431

Where can I find ojdbc14 jar file?

998

What is the argument type of a programs main() method?

1124

Is java swing a framework?

1039

Which is faster hibernate or jdbc?

376

What is the functionability stubs and skeletons?

1160

Differece between class and generic class?

1050

Does hibernate support polymorphism?

356

What is the purpose of file class?

1030

Why hashmap is used in java?

1103

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