public class Circle
{
    public static final double DEFAULT_RADIUS= 8.8;
    public static final String DEFAULT_COLOR = "red";
    private double radius;
    private String color;
    public Circle(){
        radius = DEFAULT_RADIUS;
        color = DEFAULT_COLOR;
    }
    public Circle(double radius){
        this.radius = radius;
        color = DEFAULT_COLOR;
    }
    public Circle(double radius, String color){
        this.radius = radius;
        this.color = color;
    }
    public void setRadius(double radius)
    {
        this.radius=radius;
    }
    public double getRadius()
    {
        return radius;
    }
    public void setColor(String color)
    {
        this.color = color;
    }
    public String getColor()
    {
        return color;
    }
    public String toString(int a)
    {
        return ("Circle " + a + " with radius = " + radius + " and color of " + color);
    }
    public double getArea()
    {
        return (radius*radius*Math.PI);
    }

}