Cpp > Programs

cpp virtual example

#include <iostream>
class Base {
    public:
        virtual void vf( ) { std::cout << "Base::vf" << std::endl ; }
        void nvf( ) { std::cout << "Base::nvf" << std::endl ; }
} ;
class Derived : public Base {
    public:
        void vf( )  { std::cout << "Derived::vf" << std::endl ; }
        void nvf( ) { std::cout << "Derived::nvf" << std::endl ; }
} ;
int main( )
{
    Base aBase ;
    Derived aDerived ;

    Base *basePtrToDerived = &aDerived ;
    basePtrToDerived->vf( ) ;
    basePtrToDerived->nvf( ) ;

    return 0 ;
}