prog4.cpp

C++语言程序设计题典

#include <iostream.h>
class Sample
{
	int x,y;
public:
	Sample(){}
	friend istream & operator >> (istream &,Sample &);
	void disp()
	{
		cout << "x=" << x << ",y=" << y << endl;
	}
};
istream & operator >> (istream &input,Sample &a)
{
	input >> a.x >> a.y;
	return input;
}
void main()
{
	Sample obj;
	cin >> obj;     //调用重载运算符函数
	obj.disp();
}