c++day6

#include 
 
using namespace std;
 
 
class Animal
{
public:
    string name;
    int age;
public:
    Animal() {}
    Animal(string n,int a):name(n),age(a){}
    virtual void perfrom()
    {
    }//虚函数
    virtual ~Animal(){}
};
 
template <typename N,typename T>
class Start :public Animal
{
    N voice;
    T strong;
public:
    Start(){}
    Start(string n,int a,N v,T s):Animal(n,a),voice(v),strong(s){}
    ~Start(){}
    void perfrom()
    {
       cout << name << " 今年 " << age << "岁 " << "叫声是 "<< voice << endl;
    }
    void strong_point()
    {
        cout << "它会 " << strong << endl;
    }
 
};
 
int main()
{
    Start s1("哈士奇",2,"汪汪汪","啃沙发");
    Start s2("猫咪",3,"喵喵喵","半夜吵醒你");
    Animal *a;//若是一个抽象类，则不能实例化
    a = &s1;
    a->perfrom();
    s1.strong_point();
    a = &s2;
    a->perfrom();
    s2.strong_point();
    return 0;
}