In C++, methods are simply class member functions.
C: there are no methods in C. C++: no.
method
Use the istream::eof() method.
See related link. It's in C rather than C++, but conversion to C++ is fairly simple.
In C++, overriding and function, method, or operator is a different thing than (dynamic) polymorphism, so overriding a polymorphic method is almost entirely possible.
An attribute is a class member variable while a behaviour is a class member method.
C++ uses the generic function implicitly whenever the base class implementation (the generic method) is also the most-derived implementation.
b+b+b+c+c+c+c =3b+4c
c + c + 2c + c + c = 6c
b + b + b + c + c + c + c = 3b + 4c
4c
c + c + c + c + c = 5 * c.