第十三周项目：动物这样叫（2）

#include <iostream>

using namespace std;

class Animal
{
public:
virtual void cry()=0;
};

class Mouse:public Animal
{
public:
Mouse(string nam,char s):name(nam),sex(s){}
virtual void cry()
{
cout<<"我叫"<<name<<"，是一只"<<((sex=='m')?"男":"女")<<"老鼠，我的叫声是：吱吱吱！"<<endl;
}
protected:
string name;
char sex;
};

class Cat:public Animal
{
public:
Cat(string nam):name(nam){}
virtual void cry()
{
cout<<"我叫"<<name<<"，是一只猫，我的叫声是：喵喵喵！"<<endl;
}
protected:
string name;
};

class Dog:public Animal
{
public:
Dog(string nam):name(nam){}
virtual void cry()
{
cout<<"我叫"<<name<<"，是一条狗，我的叫声是：汪汪汪！"<<endl;
}
protected:
string name;
};

class Giraffe:public Animal
{
public:
Giraffe(string nam,char s):name(nam),sex(s){}
virtual void cry()
{
cout<<"我叫"<<name<<"，是"<<((sex=='m')?"男":"女")<<"长颈鹿，我的脖子太长，发不出声音来！"<<endl;
}
protected:
string name;
char sex;
};

int main()
{
Animal *p;
//p = new Animal();
//p->cry();
Mouse m1("Jerry",'m');
p=&m1;
p->cry();
Mouse m2("Jemmy",'f');
p=&m2;
p->cry();
Cat c1("Tom");
p=&c1;
p->cry();
Dog d1("Droopy");
p=&d1;
p->cry();
Giraffe g1("Gill",'m');
p=&g1;
p->cry();
return 0;
}