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 12976

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

2 6479

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

TCS,

2329

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

2550

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,

2402

what is the size of an empty class

Wipro,

12 16328

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 3540

what is the realstic modeling?

1 3668

what is oops

NIIT,

4 6638

Program to print 0 to 9 in cross order

3 5066

what is graphics

2470

difference between structure and union.

ADP, Convergys,

2 7766

#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 7748

how to find the largest of given numbers in an array

2 4831

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

Anna University,

1 8480

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Un-Answered Questions { OOPS }

How is polymorphism achieved?

1062

Why do we use oop?

1111

What is the full form of oops?

1195

assume the program must insert 4 elements from the key board and then do the following programs.sequential search(search one of the elements),using insertion sort(sort the element) and using selection sort(sort the element).

2126

Why is it so that we can have virtual constructors but we cannot have virtual destructors?

4960

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

1149

What are the three parts of a simple empty class?

2056

Why oops is important?

1130

Describe these concepts: Polymorphism, Inheritance and Abstraction.

1206

What is encapsulation in oops?

1022

What is polymorphism oop?

1070

Why do we need oop?

1214

When not to use object oriented programming?

1119

What are functions in oop?

1063

What are constructors in oop?

1200

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