C语言相关程序

#include<iostream.h>
class location
{
	public:
		location(int xx=0,int yy=0)
		{X=xx,Y=yy;};
		location(location & p);
		int GETX()
		{return X;}
		int GETY()
		{return Y;}
	private:
		int X,Y;
};
location::location(location & p)
{
	X=p.X;
	Y=p.Y;
	cout<<"Copy_constructor called."<<endl;
}
main()
{
	location A(1,2);
	location B(A);
	cout<<"B:"<<B.GETX()<<","<<B.GETY()<<endl;
}