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

Templates mean

2087

what about you? wahat is your object? introduce your self?

Ajmal Perfumes, TCS,

1 3922

write a program that takes input in digits and display the result in words from 1 to 1000

Wipro,

2424

What do you mean by abstraction. Explain your answer?

5 13115

Finding of the 4 larger (bigger) numbers from the list like{1245,4587,2145,1163,29987,65783.....}

Wipro,

1 4066

What is compilation?

Datamatics, TCS,

1 5260

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 total number of disk writes by MySQL.

Webyog,

4 11474

Please send ford technologies placement paper 2 my mail id

2103

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

4 14102

how to swap the variables without using temp and operators

1 3383

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.

1997

string is a class or data type in java?

3 5266

#include using namespace std; int main() { int a = 2; 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][c[1][4]]; }

TCS, Wipro,

2 6978

#include using namespace std; struct wow { int x; }; int main() { wow a; a.x = 22; int c = a.x; int *b = new int; cout << c; return 0; } option: No output 0 22 -(11) Will not compile

CTS, Wipro,

1 5365

WRITE A SIMPLE C++ PROGRAM TO SWAP TWO NOS WITHOUT USING TEMP

2 5389

Un-Answered Questions { C++ }

What is &x in c++?

1003

What is the type of 'this' pointer? When does it get created?

953

what is the difference between overloading & overriding? give example.

1195

Explain polymorphism?

1078

Define virtual constructor.

1096

write a porgram in c++ that reads an integer and print the biggest digit in the number

2257

Differentiate between a copy constructor and an overloaded assignment operator.

1084

What are its advantages and disadvantages of multiple inheritances (virtual inheritance)?

1202

Why do we use class?

1088

What is the difference between the functions memmove() and memcpy()?

1122

what is Loop function? What are different types of Loops?

1231

Can we define function inside main in c++?

1017

What is an iterator class in c++?

1139

What is protected in oop?

1077

What is overloading in oop?

1012

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