/**
 * This class implements a Square, which is defined by an upper-left corner,
 * plus a side.
 * @author fpereira
 *
 */
public class Square extends Rectangle {

  /**
   * Constructor.
   * @param xp The X coordinate of the upper-left corner.
   * @param yp The Y coordinate of the upper-left corner.
   * @param sp The size of the square's side.
   */
  public Square(final int xp, final int yp, final int sp) {
    super(xp, yp, sp, sp);
  }
}