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Java J2EE Interview Questions
Questions Answers Views Company eMail

Can we define constructor in Servlet class?

Accenture, Yugma,

10 22837

How can I share objects across different sessions?

Accenture,

2 9043

How exception handling is provided in struts?

Accenture,

2 9498

Can we have different controllers in one struts app?

Accenture,

7 18736

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 12514

What code optimizations techniques you follow in general practice?

Accenture, TCS, Wipro,

2 7160

Why should we go for struts framework?

Accenture,

5 14779

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

CSC,

5 9194

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

 1 3977

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 4951

Difference between JVM and JRE?

Amdocs,

3 7362

Diff between Comparator and Comparable?

Aditya Birla,

2 9571

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

IBM,

4 14668

what are the major difference between 6.1 and 7.0?

IBM, Wipro,

9 35297

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

CEBS, IBM,

2 10750

Un-Answered Questions { Java J2EE }

Differentiate between static and non-static methods in java.

1115

Write a program to find the whether a number is an Armstrong number or not?

1095

What is lazy class?

480

What is parsing in java?

1028

What do you know about validation plugin ?

1024

How to create a base64 decoder in java8?

1131

What is the difference between break and continue statements?

1117

What do you mean by an interface in java?

1095

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

2415

i want test pattern of zylog company and some examples also

2855

What is the difference between equals() and == in java?

1032

What is java string pool?

1076

What is a constructor overloading in java?

1121

What are the differences between heap and stack memory in java?

1124

What are the contents on web.xml in struts application ?

1058

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