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 ?

1 959

What are the basics concepts of OOPS?

1 958

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

1 922

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

1 1141

What are C++ inline functions?

1 989

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

1 1184

How many storage classes are available in C++?

1 1074

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

1 1011

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

1 963

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

1 967

What are virtual functions and what is its use?

1 1000

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

1 1122

How to create a pure virtual function?

1 1323

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

1 999

What is virtual destructors? Why they are used?

1 1006

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Un-Answered Questions { C++ General }

What are the various arithmetic operators in c++?

913

Is it possible to pass an object of the same class in place of object reference to the copy constructor?

879

which operator is used for performing an exponential operation a) > b) ^ c) none

880

Write a program to find the reverse Fibonacci series starting from N.

920

What information can an exception contain?

981

How many types of comments are there in c++?

826

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

1118

What is ifstream c++?

877

Write about a nested class and mention its use?

911

What is the difference between reference and pointer?

942

How many different levels of pointers are there?

999

What is the equivalent of Pascal's Real a) unsigned int b) float c) char

864

Write a program which employs Recursion

1063

What is the use of 'this' pointer?

1095

What is microsoft c++ redistributable?

877

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