// GoodPoint
public class Point {
  
  private double x = 0;
  private double y = 0;

  public double getX() { return x; }
  public void setX(double x) { this.x = x; }

  public double getY() { return y; }
  public void setY(double x) { this.y = y; }

  public Point(double x, double y) {
    setX(x);
    setY(y);
  }

  public Point() {
    this(0,0);
  }

  public String toString() {
    return "<Point " + getX() + "/" + getY() + ">";
  }

}