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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 7923

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

Ness Technologies,

2 8198

What is the purpose of having the concept of overloading?

Ness Technologies,

7 19020

How does Vector implement synchronization?

Ness Technologies,

4 12608

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

Ness Technologies,

8 17070

What is meant by event handling in SAX parser?

Ness Technologies,

1 6346

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 17416

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

Ness Technologies,

3 9215

how to prevent finally block from execution

Bosch,

4 10292

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 9779

Why java Don't Support Multiple interitence

ABC, Exilant, IBM,

8 15022

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

BEA,

1 7326

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 110671

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

Infosys,

3 13790

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

 3 5150

Un-Answered Questions { Java J2EE }

Realized?

2257

What is the difference between break and continue statements?

1118

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

1095

Explain public static void main(string args[]) in java.

1064

what are the different modes of archival? Explain each mode in two lines each?

994

Write a program to print count of empty strings in java 8?

1080

How is declarative handling of exceptions done in struts ?

1001

How to sort array in descending order in java?

987

What do you know about validation plugin ?

1024

Differentiate between static and non-static methods in java.

1117

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

1059

i want test pattern of zylog company and some examples also

2856

What is the difference between filters and interceptors ?

1301

What is an object in java and how is it created?

1128

Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example

2659

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