C++ General Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C++ General Interview Questions

Questions Answers Views Company eMail

What do you mean by C++ access specifiers ?

1 1351

What are the basics concepts of OOPS?

1 1306

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

1 1271

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

1 1569

What are C++ inline functions?

1 1352

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

1 1510

How many storage classes are available in C++?

1 1429

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

1 1359

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

1 1379

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

1 1442

What are virtual functions and what is its use?

1 1500

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

1 1559

How to create a pure virtual function?

1 1697

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

1 1347

What is virtual destructors? Why they are used?

1 1396

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Un-Answered Questions { C++ General }

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 .

1201

What are the five basic elements of a c++ program?

1160

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

1055

write a program that withdrawals,deposits,balance check,shows mini statement. (using functions,pointers and arrays)

2471

Describe private, protected and public?

1135

How is computer programming useful in real life?

1114

What is c++ used for in games?

1237

How important is c++?

1032

What is c++ coding?

1275

Differentiate between a template class and class template in c++?

1137

What is the basic difference between C and C++?

1229

What is the best way to declare and define global variables?

1413

Write a C++ Program to check whether a number is prime number or not?

1168

What is auto used for in c++?

1108

What is polymorphism in c++? Explain with an example?

1101

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