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OOPS Interview Questions
Questions Answers Views Company eMail

Difference between new operator and operator new

2 14356

Why u change company?

BOB Technologies,

12 18454

what is the need of abstraction? what is abstraction?what is the abstraction for stack?

CTS, Verizon,

8 13257

Definition of Object Oriented Programming in single line?

Impact Systems, Q3 Technologies, TCS,

33 40416

what is the virtual function overhead, and what is it used for ? i hope i can get and appropriate answers, thanks a lot....

6 7851

what is a ststic variable and stiticfunction briefly explain with exmple and in which case we use

HCL,

2 4935

What will happen when the following code is run: int x; while(x<100) { cout< 7 5733


In the following declaration of main, "int main(int argc, char *argv[])", to what does argv[0] usually correspond? 1) The first argument passed into the program 2) The program name 3) You can't define main like that

6 9941

What does the code "cout<<(0==0);" print? 1) 0 2) 1 3) Compiler error: Lvalue required

ISTS, Wipro,

15 15490

What is the output of the following code: int v() { int m=0; return m++; } int main() { cout< 4 6369


What is the correct syntax for inheritance? 1) class aclass : public superclass 2) class aclass inherit superclass 3) class aclass <-superclass

Wipro,

6 10404

What is the outcome of the line of code "cout<

TCS,

16 14328

What is Iteration Hierarchy? What is what is Object behavioral concept?

1 4087

what is the function of 'this' operator ?

Wipro,

7 23530

tell about copy constructor

Siemens,

3 5545


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Un-Answered Questions { OOPS }

What is encapsulation c#?

165


What language is oop?

147


Why do we use inheritance?

166


What is byval and byref? What are differences between them?

1283


What is the use of oops?

167






What is encapsulation in oop?

162


Why is there no multiple inheritance?

161


What is the main purpose of inheritance law?

184


i am getting an of the type can not convert int to int *. to overcome this problem what we should do?

1374


What is inheritance in simple words?

156


How to use CMutex, CSemaphore in VC++ MFC

3800


What is polymorphism oop?

163


What is polymorphism programming?

157


Why is destructor used?

164


What does no cap mean?

169