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

Why pure virtual functions are used if they don't have implementation / When does a pure virtual function become useful?

1 1169

What is virtual destructors? Why they are used?

1 1198

What you mean by early binding and late binding? How it is related to dynamic binding?

1 1262

What is meant by reference variable in C++?

1 1194

How to create a reference variable in C++

1 1224

What are the difference between reference variables and pointers in C++?

1 1171

What will the line of code below print out and why?

678

What is the error in the code below and how should it be corrected?

708

What will i and j equal after the code below is executed? Explain your answer.

1 1236

What are the different data types present in C++?

4 2135

What are class and object in C++?

1 1325

Compare compile time polymorphism and Runtime polymorphism

1 1135

What do you know about friend class and friend function?

1 1128

Define inline function

1 1190

What is a reference in C++?

1 1264

Un-Answered Questions { C++ }

Define pre-condition and post-condition to a member function in c++?

1087

What is static in oop?

1025

How do I start a c++ project?

1001

What is ios :: in in c++?

999

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

1009

What is time_t c++?

1064

Write a program to find the Fibonacci series recursively.

1024

Does std endl flush?

976

How a pointer differs from a reference?

1264

What is object oriented programming (oop)?

1070

What is a Default constructor?

1499

What does int * mean in c++?

1164

How do you establish an is-a relationship?

1077

How to invoke a C function using a C++ program?

1013

Why isn't sizeof for a struct equal to the sum of sizeof of each member?

944

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