014_linuxC++之_不同类型的继承
1 #include <iostream> 2 #include <string.h> 3 #include <unistd.h> 4 5 using namespace std; 6 7 class Father { 8 private: 9 int money; 10 11 protected: 12 int room_key; 13 14 public: 15 int address; 16 17 void it_skill(void) 18 { 19 cout<<"father's it skill"<<endl; 20 } 21 22 int getMoney(void) 23 { 24 return money; 25 } 26 27 void setMoney(int money) 28 { 29 this->money = money; 30 } 31 }; 32 33 class Son_pub : public Father { 34 private: 35 int toy; 36 public: 37 38 void play_game(void) 39 { 40 int m; 41 42 cout<<"son play game"<<endl; 43 44 /* money -= 1; 45 * 错: 不能直接拿父亲的私房钱 46 */ 47 48 /* 49 * 但是可以问他要 50 */ 51 m = getMoney(); 52 m--; 53 setMoney(m); 54 55 room_key = 1; 56 } 57 }; 58 59 60 class Son_pro : protected Father { 61 private: 62 int toy; 63 public: 64 65 void play_game(void) 66 { 67 int m; 68 69 cout<<"son play game"<<endl; 70 71 /* money -= 1; 72 * 错: 不能直接拿父亲的私房钱 73 */ 74 75 /* 76 * 但是可以问他要 77 */ 78 m = getMoney(); 79 m--; 80 setMoney(m); 81 82 room_key = 1; 83 } 84 }; 85 86 87 class Son_pri : private Father { 88 private: 89 int toy; 90 public: 91 92 void play_game(void) 93 { 94 int m; 95 96 cout<<"son play game"<<endl; 97 98 /* money -= 1; 99 * 错: 不能直接拿父亲的私房钱 100 */ 101 102 /* 103 * 但是可以问他要 104 */ 105 m = getMoney(); 106 m--; 107 setMoney(m); 108 109 room_key = 1; 110 } 111 }; 112 113 114 int main(int argc, char **argv) 115 { 116 Son_pub s_pub; 117 Son_pro s_pro; 118 Son_pri s_pri; 119 120 s_pub.play_game(); 121 s_pro.play_game(); 122 s_pri.play_game(); 123 124 125 s_pub.it_skill(); 126 //s_pro.it_skill(); // error 127 //s_pri.it_skill(); // error 128 129 return 0; 130 }
