hour16_1.cpp

《24学时精通c++》的随书源码的下半部分。欢迎下载学习。

 //Listing 16.6 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 " << distance <<" steps.\n"; }
 protected:
     int itsAge;
     int itsWeight;
 };
 
 class Dog : public Mammal
 {
 public:
     void Move() const { std::cout << "Dog move 5 steps.\n"; }
 }; // You may receive a warning that you are hiding a function!
 
 int main()
 {
     Mammal bigAnimal;
     Dog fido;
     bigAnimal.Move();
     bigAnimal.Move(2);
     fido.Move();
     fido.Move(10);

//  The line above produces a compiler error because Dog::Move() does
//  not take any parameters.


     return 0;
 }