In C++, a constructor is a special function that must be invoked when an object is created. Its objective is to initialize a new object to a valid state before any processing occurs using the object.

Hi,<BR><BR>I have a base class whose destructor is pure virtual, so the class is abstract.<BR><BR>I have a derived class (subtype) whose multi-argument constructor wants to call the base class's zero ...

Write a complete C++ class to represent a circle in two-dimensional space. Your class should consist of a header (circle.h) and an implementation (circle.cpp) file as described below. The circle class ...