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 is the difference between #define debug 0 and #undef debug?

1181

What are the three forms of cin.get() and what are their differences?

1233

Show the declaration for a static member variable.

993

What are the stages in the development cycle?

1060

What is the protected keyword used for?

1110

What is the difference between cin.read() and cin.getline()?

1079

Declare a class vehicle and make it an abstract data type.

966

What is the difference between a type-specific template friend class and a general template friend class?

977

If a base class is an adt, and it has three pure virtual functions, how many of these functions must be overridden in its derived classes?

1074

How can you create a virtual copy constructor?

1085

Should you pass exceptions by value or by reference?

1134

Can member functions be private?

1003

What is the extraction operator and what does it do?

1081

What is the difference between delegation and implemented-in-terms-of?

1005

What is the difference between the compiler and the preprocessor?

1115

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Un-Answered Questions { C++ General }

What is iomanip c++?

1077

Why do we use classes in c++?

1059

Why cstdlib is used in c++?

1037

Why c++ is so important?

1079

Is facebook written in c++?

993

Is c++ a difficult language?

1120

What is a down cast?

1107

Can notepad ++ run c++?

1080

What is pure virtual function?

1061

Write a program that takes a 5 digit number and calculates 2 power that number and prints it.

2571

How a new operator differs from the operator new?

1116

Does c++ have arraylist?

1015

What is the need of a destructor?

1140

What is the average salary of a c++ programmer?

1019

Why we use #include conio h in c++?

1044

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