Why pure virtual functions are used if they don't have implementation / When does a pure virtual function become useful?
1 1192Post New C++ General Questions
What is command line arguments in C++? What are its uses? Where we have to use this?
What is the this pointer?
What is the header file for setw?
Why do we use classes in c++?
What is stoi in c++?
Why do we use vector in c++?
What is the use of endl in c++?
What is ifstream c++?
Explain bubble sorting.
What is data hiding c++?
Explain deep copy?
Explain what is class definition in c++ ?
What is the protected keyword used for?
What is the use of setfill in c++?
How do you remove an element from a set in c++?