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

C++ General Interview Questions

Questions Answers Views Company eMail

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

1050

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

1196

what is a class? Explain with an example.

1141

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

1083

What is vector processing?

1150

Explain about Virtual Function in C++?

1030

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

1001

What is Destructor in C++?

1194

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

1082

What is constructor in C++?

1089

Explain about Garbage Collector?

1122

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 .

1150

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

1296

What is the use of "new" operator?

1137

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

1082

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Un-Answered Questions { C++ General }

What is a hashmap c++?

1124

How do you establish an is-a relationship?

1161

What is enum c++?

1244

What are the rules for naming an identifier?

1064

Arrange Doubly linked list in the ascending order of its integral value and replace integer 5 with 7?

4122

What is the difference between cin.read() and cin.getline()?

1083

In which header file does one find isalpha() a) conio.h b) stdio.h c) ctype.h

1211

What is endl c++?

1100

What is near, far and huge pointers? How many bytes are occupied by them?

1120

Write a program for Divide a number with 2 and Print the output ( NOTE: Check for divide by zero error).

1112

What is c++ 11 and c++ 14?

1056

What is a buffer c++?

1064

Difference between a copy constructor and an assignment operator.

1003

what is the use of void main() in C++ language?

1124

What is the purpose of the "delete" operator?

1066

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