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9: ~Mammal() { }
10: virtual void Speak() const { cout << Mammal speak!\n; }
11: protected:
12: int itsAge;
13: };
14:
15: class Dog : public Mammal
16: {
17: public:
18: void Speak()const { cout << Woof!\n; }
19: };
20:
21:
22: class Cat : public Mammal
23: {
24: public:
25: void Speak()const { cout << Meow!\n; }
26: };
27:
28:
29: class Horse : public Mammal
30: {
31: public:
32: void Speak()const { cout << Winnie!\n; }
33: };
34:
35: class Pig : public Mammal
36: {
37: public:
38: void Speak()const { cout << Oink!\n; }
39: };
40:
41: int main()
42: {
43: Mammal* theArray[5];
44: Mammal* ptr;
45: int choice, i;
46: for ( i = 0; i<5; i++)
47: {
48: cout << (1)dog (2)cat (3)horse (4)pig: ;
49: cin >> choice;
50: switch (choice)
51: {
52: case 1: ptr = new Dog;
53: break;
54: case 2: ptr = new Cat;
55: break;
56: case 3: ptr = new Horse; |
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continues |
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