public class Point {
    private double x;
    private double y;

    public Point(){
        x= 0.0;
        y= 0.0;
    }

    public Point(double vx, double vy){
        x = vx;
        y = vy;
    }

    public double getX(){
        return x;
    }

    public double getY(){
        return y;
    }

    public double distanceTo(Point p){
        return Math.sqrt(Math.pow(x-p.x, 2) + Math.pow(y-p.y, 2));
    }

    public static void main(String args[]){
        Point a,b;
        a = new Point();
        b = new Point(2.0,2.0);
        double d;
        d=a.distanceTo(b);
        System.out.println("La distance est : " + d);
    }
}