What's the difference between a derived object and a base object in c++?

Question

What\'s the difference between a derived object and a base object in c++,

especially, when there is a virtual function in the class.

Does the derived object

Answer 1

base- is the object you are deriving from. derived - is the object the inherits his father's public (and protected) members.

a derived object can override (or in some cases must override) some of his father's methods, thus creating a different behavior