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++

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++.

1084

What is vector processing?

1154

Explain about Virtual Function in C++?

1032

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++?

1197

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 .

1152

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.

1083

Un-Answered Questions { C++ }

What is class invariant in c++?

1235

Why it is called runtime polymorphism?

1141

What is a loop? What are different types of loops in c++?

1134

Mention the purpose of istream class?

1117

String = "C++ is an object oriented programming language.An imp feature of oops is classes and objects".Write a pgm to count the repeated words from this scenario?

2397

Explain the advantages of using friend classes.

1173

What is a stack? How it can be implemented?

1169

What is c++ good for?

1065

write asingle linked list which read from two list & the do the following 1 sort the prime & nonprime num (prime should be less tn nonprime) 2 each node has a prime num followd by nonprime 3 add a new node into its sutable plce 4 erase the most three duplicated non prime num 5 find the least duplicated prime num

2634

What is searching? Explain linear and binary search.

998

write a program to find 2^n+1 ?

2072

What is the full form of oops?

1194

On throwing an exception by the animal constructor in p = new animalq, can memory leak occur?

1136

Write a program which employs Recursion

1242

What is the average salary of a c++ programmer?

1023

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