// Textbook fragment 08.03
/** Class representing a point in the plane with integer coordinates */
public class Point2D {
  protected int xc, yc;         // coordinates
  public Point2D(int x, int y) {
    xc = x;
    yc = y;
  }
  public int getX() { return xc; }
  public int getY() { return yc; }
}