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

Check for Balanced Parentheses using Stack?

1 1320

What is an Object/Instance?

1 1328

What do you mean by C++ access specifiers ?

1 1357

What are the basics concepts of OOPS?

1 1315

What is the use of volatile keyword in c++? Give an example.

1 1288

In how many ways we can initialize an int variable in C++?

1 1580

What are C++ inline functions?

1 1357

What do you mean by internal linking and external linking in c++?

1 1517

How many storage classes are available in C++?

1 1438

What is 'Copy Constructor' and when it is called?

1 1371

What is realloc() and free()? What is difference between them?

1 1388

What is difference between shallow copy and deep copy? Which is default?

1 1455

What are virtual functions and what is its use?

1 1512

What do you mean by pure virtual functions in C++? Give an example?

1 1567

How to create a pure virtual function?

1 1707

Un-Answered Questions { C++ }

How do you save a c++ program?

1086

What is difference between oop and pop?

1243

What is the difference between a constructor and a destructor?

1355

How to input string in C++

961

c++ program to swap the objects of two different classes

2476

What are the advantages and disadvantages of B-star trees over Binary trees?

1094

In C++ what is a vtable and how does it work?

1104

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

1338

What's the best free c++ profiler for windows?

1139

Out of fgets() and gets() which function is safe to use and why?

1243

What is an iterator class in c++?

1199

Are vectors passed by reference c++?

1057

Is c++ vector a linked list?

1047

What will happen if a pointer is deleted twice?

1255

When to use “const” reference arguments in a function?

1127

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