下列程序的执行结果为【 】。include <iostream. h>class Point{public:Point(double i, double j)
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() const { return 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=1
}
void fun(Point &s)
{
cout<<s. Area()<<end1;
}
void main()
{
Rectangle rec(3.0, 5.2, 15.0. 25.0);
fun(rec)
}