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 is the purpose of ios::basefield in the following statement?

1251

Is it possible for a member function to delete the pointer, named this?

1154

Write about the use of the virtual destructor?

1004

How a new operator differs from the operator new?

1114

Can we define a constructor as virtual in c++?

1123

Write about a nested class and mention its use?

1094

What would happen on forgetting [], while deallocating an array through new?

1083

How can an improvement in the quality of software be done by try/catch/throw?

1057

What is the sequence of destruction of local objects?

975

What is the main purpose of overloading operators?

1131

What is a c++ class?

1092

How do c++ struct differs from the c++ class?

1189

Discuss the possibilities related to the termination of a program before entering the mainq method?

946

How do you find out if a linked-list has an end? (I.e. The list is not a cycle)

1153

Why are arrays usually processed with for loop?

1230

Un-Answered Questions { C++ }

What are member functions used in c++?

1137

What is double in c++?

1062

Is there any function that can skip certain number of characters present in the input stream?

1064

When should you use global variables?

1210

Which is the best c++ compiler?

1048

Why do we need constructors in c++?

1108

What is the precedence when there is a global variable and a local variable in the program with the same name?

1120

What are the advantages of polymorphism?

1027

In what situations do you have to use initialization list rather than assignment in constructors?

1056

Why c++ is better than c language?

1016

How do you establish an is-a relationship?

1142

What are the main features of c++?

1002

Why is c++ so fast?

1025

What is pointer in oop?

1043

When the constructor of a base class calls a virtual function, why doesn't the override function of the derived class gets called?

1091

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