public class Point {

    private int x;
    private int y;

    public Point() {
    }

    public Point(int x, int y) {
        this.x = x;
        this.y = y;
    }

    public int getX() {
        return x;
    }

    public void setX(int x) {
        this.x = x;
    }

    public int getY() {
        return y;
    }

    public void setY(int y) {
        this.y = y;
    }

    public double distance (Point m){
     return distance(m.getY(), m.getY());
    }
    public double distance ( int a , int b){
        return (Math.sqrt((this.x - b) * ( this.x-a) + (this.y -b) * (this.y - b)));
    }
    public double distance (){
        return distance(0,0);
    }
}