OOPS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

OOPS Interview Questions

Questions Answers Views Company eMail

What is Virtual Keyword?

IBM, NA,

9 13260

why the argument is passed by reference to a copy constructor?example?

2 6632

Give two or more real cenario of virtual function and vertual object

TCS,

2371

what is the difference between inter class and abstract class...?

2648

String = "C++ is an object oriented programming language.An imp feature of oops is classes and objects".Write a pgm to count the repeated words from this scenario?

HCL,

2455

what is the size of an empty class

Wipro,

12 16680

if i have same function with same number of argument but defined in different files. Now i am adding these two files in a third file and calling this function . which will get called and wht decide the precedence?

1 3606

what is the realstic modeling?

1 3754

what is oops

NIIT,

4 6792

Program to print 0 to 9 in cross order

3 5193

what is graphics

2520

difference between structure and union.

ADP, Convergys,

2 7859

#include using namespace std; int main() { int a = 3; int c[5][5]; for (int x=0;x<5;x++) { for (int y=0;y<5;y++) { c[x][y] = x*y; } } cout << c[a][2]; }

1 7814

how to find the largest of given numbers in an array

2 4939

program in c++ that can either 2 integers or 2 floating point numbers and output the smallest number

Anna University,

1 8557

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Un-Answered Questions { OOPS }

How do you explain polymorphism?

1119

Plese get me a perfect C++ program for railway/airway reservation with all details.

3960

Why can't we have instance(stack) of a class as a member of the same class like eg.Class A{A obj;} as we can have self refential pointer

2204

How do you define a class in oop?

1180

what is graphics

2520

What is solid in oops?

1209

Which language is not a true object oriented programming language?

1185

There are two base class B1,B2 and there is one class D which is derived from both classes, Explain the flow of calling constructors and destructors when an object of derived class is instantiated.

2056

What is new keyword in oops?

1104

Are polymorphisms mutations?

1219

What do you mean by abstraction?

1127

Why is oop better than procedural?

1145

Write a C++ program without using any loop (if, for, while etc) to print prime numbers from 1 to 100 and 100 to 1 (Do not use 200 print statements!!!)

2161

What is inheritance write a program to show use of inheritance?

1208

What is the point of oop?

1268

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