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 1286

What are the basics concepts of OOPS?

1 1250

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

1 1200

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

1 1519

What are C++ inline functions?

1 1281

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

1 1453

How many storage classes are available in C++?

1 1369

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

1 1292

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

1 1300

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

1 1353

What are virtual functions and what is its use?

1 1418

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

1 1498

How to create a pure virtual function?

1 1634

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

1 1269

What is virtual destructors? Why they are used?

1 1321

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Un-Answered Questions { C++ General }

What are friend classes?

1070

To which numbering system can the binary number 1101100100111100 be easily converted to?

1067

Can we use clrscr in c++?

1082

How can you quickly find the number of elements stored in a static array?

1098

Describe about storage allocation and scope of global, extern, static, local and register variables?

1259

What is a catch statement?

1052

What is a container class? What are the types of container classes in c++?

1269

Why are pointers used?

1009

What language is a dll written in?

1022

What is the use of this pointer in c++?

1007

How a pointer differs from a reference?

1349

Can constructor be private in c++?

1045

What is insertion sorting?

1112

What is c++ try block?

1047

What is an overflow error?

1106

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