下列程序的执行结果为________。
#include＜iostream.h＞
class Point
public:
Point(double i,double j)x=i;y=j;
double Area( )constreturn 0.0;
private:
double x,y;
;
class Rectangle:public Point
public:
Rectangle(double i,double J,double k,double 1);
double Area( )const(return w*h;
private:
double w,h;
;
Rectangle::Rectangle(double i,double j,double k,double 1):Point(i,j)
w=k;h=l;
void fun(Point&s)
cout＜＜s.Area( )＜＜endl;
void main( )
Rectangle rec(3.0,5.2,15.0,25.0);
fun(rec);
