虚函数-动物的叫声 - c++编程基础

if(sex=='m')
cout<<"我叫"< if(sex=='f')
cout<<"我叫"< }
class Dog:public Animal
{
public:
Dog(string n);
void cry();
private:
string name;
};
Dog::Dog(string n):name(n) {}
void Dog::cry()
{
cout<<"我是一只狗，我的叫声是“汪汪汪”"< }
class Giraffe:public Animal
{
public:
Giraffe(string n,char s);
void cry();
private:
string name;
char sex;

};

Giraffe::Giraffe(string n,char s):name(n),sex(s) {}
void Giraffe::cry()
{
cout<<"我叫"< }
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",'f');
p=&c1;
p->cry();
Dog d1("Droopy");
p=&d1;
p->cry();
Giraffe g1("Gill",'m');
p=&g1;
p->cry();
return 0;
}

虚函数-动物的叫声 (二)