类模板

#include <iostream>
using namespace std;
template <class numtype>//声明类模板，虚拟类型名为numtype
class Compare//类模板名为Compare
{
    public:
    Compare(numtype a,numtype b)//定义构造函数
    {
        x=a;y=b;
    }
    numtype max()//函数类型暂定为numtype
    {
        return (x>y)?x:y;
    }
    numtype min()//函数类型暂定为numtype
    {
        return (x<y)?x:y;
    }
    private:
    numtype x,y;//数据类型暂定为numtype
};
int main()
{
    Compare<int>cp1(3,7);//定义对象cp1，用于两个整数的比较
    cout<<cp1.max()<<" is the maximum of the two integer numbers. "<<endl;
    cout<<cp1.min()<<" is the minimum of the two interger numbers."<<endl;
    Compare<float>cf2(45.78,93.6);
    cout<<cf2.max()<<" is the maximum of the two integer numbers."<<endl;
     cout<<cf2.min()<<" is the minimum of the two interger numbers."<<endl;
     Compare<char>c3('a','A');
     cout<<c3.max()<<" is the maximum of the two integer numbers."<<endl;
     cout<<c3.min()<<" is the minimum of the two interger numbers."<<endl;
    return 0;
}