point.java

package compute;


public class point{
    public double x, y;
    public int id;

    public point(int id, double x, double y) {
        this.x = x;
        this.y = y;
        this.id = id;
    }

    public point(point p) {
        this(p.id, p.x, p.y);
    }

    public static double dist(point a, point b){
        return Math.sqrt((a.x-b.x)*(a.x-b.x)+(a.y-b.y)*(a.y-b.y));
    }

    @Override
    public String toString(){
        return "point("+id+")=["+x+", "+y+"]";
    }
}