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

what kind of projects are suitable for c and c++

1000

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

1121

what is a class? Explain with an example.

1113

Write a recursive program to calculate factorial in c++.

1037

What is vector processing?

1123

Explain about Virtual Function in C++?

985

Write a function to perform the substraction of two numbers. Eg: char N1="123", N2="478", N3=-355(N1-N2).

962

What is Destructor in C++?

1147

Write a Program for find and replace a character in a string.

1033

What is constructor in C++?

1032

Explain about Garbage Collector?

1071

Write a Program for dynamically intialize a 2 dimentional array. Eg:5x20, accept strings and check for vowels and display the no.finally free the space allocated .

1103

Write a Program for read a line from file from location N1 to N2 using command line arguments. Eg:exe 10 20 a.c

1241

What is the use of "new" operator?

1092

Write a Program to find the largest of 4 no using macros.

1046

Un-Answered Questions { C++ }

What is an inclusion guard?

1129

What are the four main data types?

1050

Is c++ a float?

1020

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.

1945

Is string part of stl?

1163

Why can templates only be implemented in the header file?

1071

What is the type of this pointer in c++?

1025

Why is abstraction used?

1045

What is static modifier?

1149

What is doubly linked list in c++?

1038

What is a storage class used in c++?

1042

Will rust take over c++?

1023

Why is c++ still popular?

998

If class D is derived from a base class B

741

What is a node class in c++?

1038

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