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

String and stringbuffer both represent string objects. Can we compare string and stringbuffer in java?

981

If an application has multiple classes in it, is it okay to have a main method in more than one class?

1014

What about member inner classes?

1097

What about instanceof operator in java?

1024

Can we use different return types for methods when overridden?

1002

What is runtime polymorphism or dynamic method dispatch?

1016

Why is java architectural neutral?

1114

Which of the classes will have more memory allocated?

977

What are the different ways to handle exceptions?

1003

Which class is used by server applications to obtain a port and listen for client requests?

967

What is jit and its use?

991

Where pragma is used?

1055

Define how objects are stored in java?

1068

What are classloaders?

1022

Can an interface extend another interface?

1058

Un-Answered Questions { Java J2EE }

What is cross-selling?

854

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

931

How do I check messages in jms queue?

911

Do loops java?

1025

What are 4 pillers of object orinted programming?

1018

Can remove() be a Stateless Session bean?

1093

What are the oops concept?

1083

What does flagged out mean?

1063

How can we achieve transport layer security for our web application?

1040

Explain the difference between generic servlet and http servlet?

1000

Why are generics used?

978

Why do we have servlet filters?

1029

What is web content management system (wcms)?

915

What is actioninvocation?

958

What is data structure in java?

996

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