public class Circle{
    private double radius;
   
    public Circle(){
        radius = 0.0;
    }
    
    public Circle(double rad){
        radius = rad;
    }
    
    public double getRadius(){
      return radius;
    }
    
    public void setRadius(double rad){
      radius = rad;
    } 
    
    public double getArea(){
     //return Math.PI * radius * radius;
      return 3.14 * radius * radius;
    }
    
    
    public void print(){
    System.out.println("The radius of the circle is: " + radius + 
    ", Area is: "+getArea());
    }
   
   public String toString(){
    String str;
    str = "The radius of the circle is: " + radius + 
    ", Area is: "+getArea();
    return str;
       
   }
   
   public static void main(String [ ] args){
    Circle mycircle = new Circle(10);
    Circle hiscircle = new Circle();
    Circle hercircle = new Circle();
    
    System.out.println(mycircle.getArea());
    mycircle.print();
    System.out.println(hiscircle.getArea());
    hiscircle.print();
    
    hiscircle.setRadius(5);
    hercircle.setRadius(2*hiscircle.getRadius());
    
    System.out.println(hiscircle.getArea());
    System.out.println(hercircle.getArea());
   
   System.out.println(mycircle);
   System.out.println(hiscircle);
   System.out.println(hercircle);
   
  }
   
}