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

STL (140)
OOPS (873)
C++ General (2409)

C++ Interview Questions

Questions Answers Views Company eMail

Write a single instruction that will store an EVEN random integer between 54 and 212 inclusive in the variable myran. (NOTE only generate EVEN random numbers)

1878

Given the following seqment of code containing a group of nested if instructions: y = 9; if ((x==3) || (x == 5)) y++; else if (x == 2) y *= 2; else if (x == ) y-= 7; else y = 8; if the value of x is 4 before the nested IFs are executed, what is the value of y after the nested IFs are executed?

1950

Given the following seqment of code containing a group of nested if instructions: y = 9; if ((x==3) || (x == 5)) y++; else if (x == 2) y *= 2; else if (x == 4 ) y-= 7; else y = 8; Enter a segment of code (without any IF statements) that does exectly the same thing using the switch structure.

1 3641

Given the following function definition: int doit(int &x, int y, int &z) { x = 3*x; y = y + 5; z = x+y; return z - 4; } int a = 5, b = 7, c = 9, d = 11; d = doit(a,b,c);

2 6851

Write a C/C++ program that connects to a MySQL server and checks if the InnoDB plug-in is installed on it. If so, your program should print the maximum number of concurrent threads that the InnoDB plug-in can create

2579

what is ltti

Unisys,

1 6059

In OverLoading concept,Why they are not consider return value and why they are consider only parameters in method? For ex: public int Add(int a,int b){...} public String Add(int a,int b){...}

1 3234

#include void main() { class x { public: int func(int) { cout<<"cool"; return 1; } } }

Infosys,

1 4684

Name a typical usage of polymorphism

3 5737

what is the difference between containership and inheritence?

1 18346

Write a program and call it sortcheck.cpp which receives 10 numbers from input and checks whether these numbers are in ascending order or not. You are not allowed to use arrays. You should not define more than three variables

BirlaSoft, Crayonz,

2 4740

write a c++ program that gives output 1 1 2 1 2 3 1 2 3 4 1 2 3 4 5 using looping statement

2 6210

what is virtual function?

3 5407

what i oops concept, how many languages supports oops concept?

Value Labs,

3 7020

Is following functions are said to be overloaded? int add(int a,int b) char *add(int a,int b)

4 5805

Un-Answered Questions { C++ }

Please explain class & object in c++?

1044

Explain friend class?

1085

What is the use of :: operator in c++?

1058

Can you inherit a private class?

1058

Do you know about latest advancements in C++ ?

1158

Is c or c++ more useful?

995

What are the 3 pillars of oop?

1099

What does no cap mean?

1008

daily Routine of father

1353

Why is abstraction needed?

978

Can the operator == be overloaded for comparing two arrays consisting of characters by using string comparison?

1018

Why do we use encapsulation in oops?

971

What's the order in which the objects in an array are destructed?

1337

What is the use of function pointer?

977

What is meaning of in c++?

1149

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