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

STL (140)
OOPS (873)
C++ General (2409)

C++ Interview Questions

Questions Answers Views Company eMail

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

1243

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

1323

Show the declaration for a static member variable.

1051

What are the stages in the development cycle?

1114

What is the protected keyword used for?

1171

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

1136

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

1028

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

1038

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?

1151

How can you create a virtual copy constructor?

1140

Should you pass exceptions by value or by reference?

1190

Can member functions be private?

1054

What is the extraction operator and what does it do?

1131

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

1060

What is the difference between the compiler and the preprocessor?

1172

Un-Answered Questions { C++ }

How many ways can a variable be initialized into in C++?

1068

What is a sequence in c++?

1075

Differentiate between the manipulator and setf( ) function?

1315

To what does “event-driven” refer?

1116

Can comments be longer than one line?

1132

What is the most common mistake on c++ and oo projects?

1028

What is abstract keyword in c++?

1125

Can you please explain the difference between using macro and inline functions?

1098

What is virtual function? Explain with an example

1149

How do I write a c++ program?

1172

Which is best ide for c++?

1067

Describe the syntax of single inheritance in C++?

1127

Differentiate between a constructor and a destructor in c++.

1058

What is an example of genetic polymorphism?

1247

Eplain extern keyword?

1093

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