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Java J2EE Interview Questions
Questions Answers Views Company eMail

Can we define constructor in Servlet class?

Accenture, Yugma,

10 22348

How can I share objects across different sessions?

Accenture,

2 8908

How exception handling is provided in struts?

Accenture,

2 9375

Can we have different controllers in one struts app?

Accenture,

7 18378

Can we have multiple struts-config files in a single web app? If yes why should we have them? Will multiple copies make any impact on performance?

Accenture,

2 12384

What code optimizations techniques you follow in general practice?

Accenture, TCS, Wipro,

2 6996

Why should we go for struts framework?

Accenture,

5 14512

System.out.println("somestring"); It will create any object or not

CSC,

5 8915

________ exception must be either caught or specified in throws class of the method.

 1 3889

Every class extends object but why it is not possible for every object to invoke clone() method. ideally protected methods should be accessible from sub classes. isn't it?

 2 4792

Difference between JVM and JRE?

Amdocs,

3 7186

Diff between Comparator and Comparable?

Aditya Birla,

2 9423

When you are deploying an application, if you got Out Of Memory exception, what you will do

IBM,

4 14413

what are the major difference between 6.1 and 7.0?

IBM, Wipro,

9 34835

.while installing application server in silent mode, if it failed without creating any logs, how do you trouble shoot ?

CEBS, IBM,

2 10562

Un-Answered Questions { Java J2EE }

What are the Static and Dynamic Variables? Differentiate them.

1112

What is difference between hibernate save(), saveorupdate() and persist() methods?

327

How to convert string to byte array and vice versa?

1088

Difference between default and protected access specifiers?

1125

What is event in java swing?

965

What is entitymanager in spring?

424

Can a static member function access member variable of an object?

1011

Can we create a class inside a class in java?

1082

What is hbm in hibernate?

356

What 4 doubled?

988

What is group?

995

Can java program run without jre?

1013

What is a Transient Object?

1085

what are the types of trees?

972

What is cross cutting concerns in spring aop?

504

For More Un-Answered { Java J2EE } Questions Click Here