public class Vertex {
    //private String label;
    private double x;
    private double y;
    public Edge shortestPath;
    public double cost;

    public Vertex(double x, double y) {
      this.x = x;
      this.y = y;
      shortestPath = null;
      cost = Double.MAX_VALUE;
    }
    
    public double getX() {
      return x;
    }
    public double getY() {
      return y;
    }
    
    public String toString() {
      return "("+x+","+y+")["+cost+"]";
    }
}