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 1206

What are the basics concepts of OOPS?

1 1173

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

1 1133

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

1 1450

What are C++ inline functions?

1 1219

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

1 1364

How many storage classes are available in C++?

1 1305

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

1 1213

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

1 1205

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

1 1269

What are virtual functions and what is its use?

1 1346

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

1 1416

How to create a pure virtual function?

1 1573

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

1 1192

What is virtual destructors? Why they are used?

1 1226

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Un-Answered Questions { C++ General }

What is command line arguments in C++? What are its uses? Where we have to use this?

1207

What is the this pointer?

1082

What is the header file for setw?

1075

Why do we use classes in c++?

1009

What is stoi in c++?

1136

Why do we use vector in c++?

1013

What is the use of endl in c++?

984

What is ifstream c++?

990

Explain bubble sorting.

1029

What is data hiding c++?

1006

Explain deep copy?

1005

Explain what is class definition in c++ ?

1058

What is the protected keyword used for?

1069

What is the use of setfill in c++?

1044

How do you remove an element from a set in c++?

1044

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