/** * The DVD class represents a DVD object. Information about the  * DVD is stored and can be retrieved. We assume that we only deal  * with movie DVDs at this stage. *  * @author Michael Kolling and David J. Barnes * @version 2006.03.30 */public class DVD extends Item {    private String director;    /**     * Constructor for objects of class DVD     * @param theTitle The title of this DVD.     * @param theDirector The director of this DVD.     * @param time The running time of the main feature.     */    public DVD(String theTitle, String theDirector, int time)    {        super(theTitle, time);        director = theDirector;    }    /**     * @return The director for this DVD.     */    public String getDirector()    {        return director;    }}