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Java J2EE Interview Questions
Questions Answers Views Company eMail

Nullpointer exception is a very common exception. Why is it not made as a checked exception?

Ness Technologies,

2 7785

What is the difference between Checked and Unchecked exception? Give some examples

Ness Technologies,

2 8024

What is the purpose of having the concept of overloading?

Ness Technologies,

7 18696

How does Vector implement synchronization?

Ness Technologies,

4 12393

What is meant by Encapsulation? Can you write a class to explain encapsulation?

Ness Technologies,

8 16655

What is meant by event handling in SAX parser?

Ness Technologies,

1 6230

When you say String is immutable, what do you mean by that? Say I have String s = "Ness" s= s+"Technologies"; What will happen? If the value gets appended, then what is the meaning of immutable here?

Ness Technologies,

5 17127

Java violates few objected oriented concepts. Can you explain in what way?

Ness Technologies,

3 9035

how to prevent finally block from execution

Bosch,

4 10059

write a query to select name from one table which has id,name and salary from another table which has id, sal where the salary is the second maximum

Bosch, HireCraft, Infosys,

3 9572

Why java Don't Support Multiple interitence

ABC, Exilant, IBM,

8 14618

How can the admin console be disable before it is re-enable by WLST?

BEA,

1 7207

In Java why we write public static void main(String args[]) why not main()?

Aptech, GE Healthcare, Infosys, Microsoft, New Horizon, Practical Viva Questions, TCS, Wipro,

46 108815

Difference between Web-based applications,Client- Server applications and Distributed applications?

Infosys,

3 13603

Catch(Exception e){ } in that what is Exception and purpose of that in that place exactly?

 3 4955

Un-Answered Questions { Java J2EE }

How many bits are used to represent unicode, ascii, utf-16, and utf-8 characters in java programming?

1006

What is ojdbc?

944

How many arguments can be passed to main ()?

994

What is an entity in hibernate?

411

What’s jboss jbpm?

1027

What is the association?

984

Define inheritance?

1015

What about the master repository?

932

What do you mean by append?

1066

What happens if connection is not closed in jdbc?

979

List the different scopes of spring bean?

434

How does @transactional work in spring?

428

What is spring annotation-based configuration?

444

What are JTA/JTS and how they used by client?

2222

How is the mvc design pattern used in struts framework?

957

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