package network; import java.awt.Point; public class Link { private Point p1, p2; public Link(Point p1, Point p2) { this.p1 = p1; this.p2 = p2; } public Point p1() { return p1; } public Point p2() { return p2; } public double length() { return Math.sqrt(Math.pow(p2.x - p1.x, 2) + Math.pow(p2.y - p1.y, 2)); } }