public class Segment {

    private Point p1, p2;

    public Point getP1(){
        return p1;
    }
    public Point getP2(){
        return p2;
    }

    public void setPoint2(Point p){
        p2 = p;
    }

    public void setPoint1(Point p){
        p1 = p;
    }

    Segment(Point p1, Point p2){
        this.p1 = p1;
        this.p2 = p2;
    }

    public double getLength(){


        double dx = p1.x - p2.x;
        double dy = p1.y - p2.y;

        double length = dx*dx + dy*dy;
        length = Math.sqrt(length);

        return length;


    }
}