014_linuxC++之_不同类型的继承

 #include <iostream>
 #include <string.h>
 #include <unistd.h>

 using namespace std;

 class Father {
 private:
     int money;

 protected:
     int room_key;

 public:
     int address;

     void it_skill(void)
     {
         cout<<"father's it skill"<<endl;
     }

     int getMoney(void)
     {
         return money;
     }

     void setMoney(int money)
     {
         this->money = money;
     }
 };

 class Son_pub : public Father {
 private:
     int toy;
 public:

     void play_game(void)
     {
         int m;

         cout<<"son play game"<<endl;

         /* money -= 1;
          * 错: 不能直接拿父亲的私房钱
          */

         /*
          * 但是可以问他要
          */
         m = getMoney();
         m--;
         setMoney(m);

         room_key = ;
     }
 };

 class Son_pro : protected Father {
 private:
     int toy;
 public:

     void play_game(void)
     {
         int m;

         cout<<"son play game"<<endl;

         /* money -= 1;
          * 错: 不能直接拿父亲的私房钱
          */

         /*
          * 但是可以问他要
          */
         m = getMoney();
         m--;
         setMoney(m);

         room_key = ;
     }
 };

 class Son_pri : private Father {
 private:
     int toy;
 public:

     void play_game(void)
     {
         int m;

         cout<<"son play game"<<endl;

         /* money -= 1;
          * 错: 不能直接拿父亲的私房钱
          */

         /*
          * 但是可以问他要
          */
         m = getMoney();
         m--;
         setMoney(m);

         room_key = ;
     }
 };

 int main(int argc, char **argv)
 {
     Son_pub s_pub;
     Son_pro s_pro;
     Son_pri s_pri;

     s_pub.play_game();
     s_pro.play_game();
     s_pri.play_game();

     s_pub.it_skill();
     //s_pro.it_skill();  // error
     //s_pri.it_skill();     // error

     return ;
 }