4elist1206.cpp

《21天学通C＋＋》附盘的原代码。书上的每个例子在这里都有相应的C语言程序。

//Listing 12.6 Hiding methods

#include <iostream>


class Mammal
{
public:
	void Move() const { std::cout << "Mammal move one step\n"; }
	void Move(int distance) const
	{
		std::cout << "Mammal move ";
		std::cout << distance <<" steps.\n";
	}
protected:
	int itsAge;
	int itsWeight;
};

class Dog : public Mammal
{
public:
	// You may receive a warning that you are hiding a function!
	void Move() const { std::cout << "Dog move 5 steps.\n"; }
};

int main()
{
	Mammal bigAnimal;
	Dog fido;
	bigAnimal.Move();
	bigAnimal.Move(2);
	fido.Move();
	// fido.Move(10);
	return 0;
}