// Circle.h

#ifndef CIRCLE_H
#define CIRCLE_H

#include <iostream>
#include "Point.h"

class Circle : public Point {
public:
   Circle( double r = 0.0, int x = 0, int y = 0 );
   void setRadius( double );    
   double getRadius() const;   
   double area() const;    
   void print() const;  // overriding di Point::print()    
protected:   // attributi accessibili dalle classi derivate      
   double radius;  
};

#endif