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

Can I have an action without a form?

1127

Why does the tag url-encode javascript and mailto links?

1025

What are the purpose of introspection?

1235

How would you reatach detached objects to a session when the same object has already been loaded into the session?

1230

Why a component architecture for the java platform?

1240

What are the pros and cons of detached objects?

1006

How can I avoid validating a form before data is entered?

1019

What are the different methods of identifying an object?

1095

What are the different approaches to represent an inheritance hierarchy?

1093

Why is actionform a base class rather than an interface?

1084

What is meant by method chaining?

1168

What are the benefits of detached objects?

1067

What helpers in the form of jsp pages are provided in struts framework?

1007

Is struts efficient?

939

Do we need to pay the struts if being used in commercial purpose?

1024

Un-Answered Questions { Java J2EE }

What is the difference between the font and fontmetrics classes in java programming?

1176

Explain inversion of control, how to implement it.

460

How can you run a servlet program?

1100

What are the Packages of websphere?

900

What is thread safe singleton?

967

What is a java lambda expression?

1063

What is object in java?

1000

Explain about abstract classes in java?

1048

What are different access specifiers in java?

1034

Is eclipse written in java?

974

How struts 2 validation works?

1105

What is passed by reference and pass by value ?

1051

What is a constructor, constructor overloading in java?

1008

What is the difference between variable declaration and variable initialization?

1049

why do we need log target when there is already a default logging mechanism available in datapower?

841

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