public class Point
{
    public static final Point ORIGIN;
    static
    {
        ORIGIN = new Point(0,0);
    }
    private int x;
    private int y;  //giving state to the class
    public Point(int x, int y)
    {
        this.x = x;
        this.y = y;
    }
    /*
    def __init__(self, x = 0, y = 0):
        self.x = x
        self.y = y   ##attachihng x and y to me.
    */

    /*
    def __str__(self):
        return f"({self.x}, {self.y})"
    */
    public String toString()
    {
        return String.format("(%s, %s)", x, y);
    }
    /*
    def distance_to(self, other):
        return math.hypot(self.x - other.x, self.y -other.y)
    */
    public double distanceTo(Point other)
    {
        return Math.hypot(x - other.x, this.y - other.y);
    }
    /*
    def reflection_across_x(self):
        return Point(self.x, -self.y)

    */
    public Point reflectionAcrossX()
    {
        return new Point(x, -y);
    }
    public double distanceToOrigin()
    {
        return distanceTo(Point.ORIGIN);
    }
     /*
    def reflection_across_y(self):
        return Point(-self.x, self.y)
    */
    public static void main(String[] args)
    {
        Point p = new Point(3,4);
        System.out.println(p);
        Point q = new Point(0,0);
        System.out.println(p.distanceTo(q));
        System.out.println(q.distanceTo(p));
        System.out.println(p.reflectionAcrossX());
        System.out.println(Point.ORIGIN);
        //System.out.println(x);//don't use naked variables in main!
    }
/*
def main():
    p = Point(3,4)
    print(p)
    q = Point()
    print(p.distance_to(q))
    print(q.distance_to(p))
    print(p.reflection_across_x())
main()*/
}