* A class Position to store and change a Piece's position.
 *
 * @March 2000
 * @author Ming Gu, Yasir Mehboob, Ammar Bandukwala, Mustally Hussain,
 * Shiva Kabra.
 */ 
public interface Position {
    /**
    public int rownumber;
    public int columnnumber;
    */

    /**
     * Constructor, takes rownumber and columnnumber.
     */

    // +------------+-----------------------------------------
    // | Extractors |
    // +------------+
    /**
     * Some other objects may ask a piece for its information,
     * so some necessary extractors are needed.
     */

    /** Get a piece's row number. */
    public int getRow();

    /** Get a piece's column number. */
    public int getColumn();

    /** Move a piece. Change only its position. */
    public void movePiece(int newrownumber,
                          int newcolumnnumber
                          );
} // interface Position