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Ness Technologies Core Java Interview Questions
Questions Answers Views Company eMail

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

2 7798

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

2 8033

What is the purpose of having the concept of overloading?

7 18716

How does Vector implement synchronization?

4 12411

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

8 16676

What is meant by event handling in SAX parser?

1 6235

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?

5 17149

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

3 9049

How many objects are created for a singleton class

7 14833

How to sort the elements in HashMap

3 11831

What is non static block in java

10 23912

when we create singleton design then we create private constructtor..so how JVM take private constructor to make object..but it's private..

1 5702

The following program is Overloading or Overriding? public class PolymorphismEx { public int sampleMethod(int a) { return a; } public String sampleMethod(int a) { return "Is it Overloading or Overriding???"; } }

4 7643

Post New Ness Technologies Core Java Interview Questions


Ness Technologies Core Java Interview Questions


Un-Answered Questions

What is multithreading? Give an example?

850


In how many types u can do POP on ceiling and walls(on which material or by using which material)? b) what is the difference between dry , oil bound, enamel, acrlyic type of painting? 2nd :- I have certain queries, please help to solve. a) length of pile bore is 4m.excavation quantity will be area * length where area will be pi/4 * dia*dia. Is this right? b) It is a single reamed pile of 300m dia and reamed dia is 750mm. can any body help me to calculate excavated quantity of this bulb(reamed section),, concrete quantity in bulb with showing the formulas to be used?

2162


Why is it called postgresql?

893


Why is R Important?

96


why assets are shown at their historical cost price but not at their current price bcoz we are following historical cost concept. but this will not reveal correct financial position of the business.give reason

1560


Explain me what cross-validation technique would you use on a time series dataset?

131


If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.

2347


pls tell me any open source test case managment tool ? its urgent.also tell me any autmation testing tool also for functional testing?

2290


How is siebel 7.x architecture different from siebel 6.x? How is siebel 7.x architecture different from siebel 6.x?

1312


Explain business unit with two different examples?

699


What would you consider your most challenging assignment?

1104


Are you willing to travel and relocate?

1125


How to identify a particular T_Code has been modified or not? If yes, how to identify who modified particular T_Code in current system?

2349


​​What is the symbol to do “concatenation” operation in​​ nw​​ abap​​ 7.4​​ ?

1369


What is panelizer?

198