public class Circle {
    public double x, y, r;  // Ympyrän keskipiste ja säde
    // Konstruktorimetodi
    public Circle(double x, double y, double r)
    {
        this.x = x;
        this.y = y;
        this.r = r;
    }   
    public double circumference() { return 2 * 3.14159 * r; }
    public double area() { return 3.14159 * r*r; }
}