/* vim: set expandtab tabstop=4 shiftwidth=4 : */

public class PointSET
{
    // construct an empty set of points
    public PointSET()
    {
    }

    // is the set empty?
    public boolean isEmpty()
    {
        return true;
    }

    // number of points in the set
    public int size()
    {
        return 0;
    }

    // add the point p to the set (if it is not already in the set)
    public void insert(Point2D p)
    {
    }

    // does the set contain the point p?
    public boolean contains(Point2D p)
    {
        return false;
    }

    // draw all of the points to standard draw
    public void draw()
    {
    }

    // all points in the set that are inside the rectangle
    public Iterable<Point2D> range(RectHV rect)
    {
        return null;
    }

    // a nearest neighbor in the set to p; null if set is empty
    public Point2D nearest(Point2D p)
    {
        return null;
    }
}