relation_compare_operator.cpp

/*
 * relation_operator.cpp
 *
 *  Created on: 2013-9-28
 *      Author: Administrator
 */

#if 0
#include<iostream.h>
class Rect
{
private:
    int length,width;
public:
    Rect(int l,int h)
{
        length = l; width = h;
}
    friend int operator > (Rect a,Rect b)
    {
        return (a.length*a.width) > (b.length*b.width)?1:0;
    }
    void display()
    {
        cout << "面积="<<length*width<<endl;
    }
};
int main(void)
{
    Rect rect1(5,5),rect2(4,7);
    cout << "rect1";
    rect1.display();
    cout << "rect2";
    rect2.display();
    if(rect1 > rect2)
        cout << "rect1的面积大于rect2的面积"<< endl;
    else
        cout << "rect1的面积小于rect2的面积"<< endl;
    return 0;
}

#endif