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

2037

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

Ajmal Perfumes, TCS,

1 3814

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

Wipro,

2374

What do you mean by abstraction. Explain your answer?

5 12906

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

Wipro,

1 3982

What is compilation?

Datamatics, TCS,

1 5158

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 11297

Please send ford technologies placement paper 2 my mail id

2063

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

4 13930

how to swap the variables without using temp and operators

1 3285

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.

1936

string is a class or data type in java?

3 5155

#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 6857

#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 5290

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

2 5273

Un-Answered Questions { C++ }

What do the keywords volatile and mean mutable?

1012

What is function overloading in C++?

1357

Declare a pointer to a function that takes a char pointer as argument and returns a void pointer.

953

Define pure virtual function?

944

What Is Polymorphism in C++ ?

1734

What is DlgProc?

982

What is virtual function? Explain with an example

1040

why reinterpret cast is considered dangerous?

2339

What are the restrictions apply to constructors and destructors?

1035

What is the difference between Stack and Queue in C++?

1002

Describe new operator and delete operator?

1036

What is polymorphism and example?

992

Do we have to use initialization list in spite of the assignment in constructors?

946

Does there exist any other function which can be used to convert an integer or a float to a string?

1034

What are activex and ole?

1015

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