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

How to give an alternate name to a namespace?

1081

Which should be more useful: the protected and public virtuals?

1031

List the issue that the auto_ptr object handles?

1024

What is meant by forward referencing and when should it be used?

1009

Explain the concept of copy constructor?

1045

How a pointer differs from a reference?

1334

Describe the setting up of my member functions to avoid overriding by the derived class?

1130

Why should we use null or zero in a program?

1030

Write a note about the virtual member function?

1045

Why do we use the using declaration?

1165

What are the advantages of using const reference arguments in a function?

1071

Differentiate between the manipulator and setf( ) function?

1189

How can virtual functions in c++ be implemented?

1122

Can we use this pointer in a class specific, operator-overloading function for new operator?

1096

Write a short code using c++ to print out all odd number from 1 to 100 using a for loop

1015

Un-Answered Questions { C++ }

What are 2 ways of exporting a function from a dll?

1186

Do vectors start at 0 c++?

1026

What is private inheritance?

1089

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

1076

Ask to write virtual base class code?

2746

Explain how would you handle a situation where you cannot call the destructor of a local explicitly?

964

I was a c++ code and was asked to find out the bug in that. The bug was that he declared an object locally in a function and tried to return the pointer to that object. Since the object is local to the function, it no more exists after returning from the function. The pointer, therefore, is invalid outside.

1128

How many different levels of pointers are there?

1205

Explain the auto storage classes in c++.

1097

Who discovered c++?

1041

Is string data type in c++?

1028

Write a program using GUI concept for the scheduling algorithms in Operating system like SJF,FCFS etc..

3839

What is a class in C++?

1288

Explain the concepts involved in Object Oriented programming.

1219

When did c++ add stl?

1224

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