/** * Record details of a diary appointment. *  * @author David J. Barnes and Michael Kolling * @version 2006.03.30 */public class Appointment{    // The reason for the appointment.    private String description;    // The length (in hours) of the appointment.    private int duration;    /**     * Create an appointment with a given duration.     * @param description The reason for the appointment.     * @param duration The length of the appointment in hours.     */    public Appointment(String description, int duration)    {        this.description = description;        this.duration = duration;    }    /**     * @return The description of the appointment.     */    public String getDescription()    {        return description;    }        /**     * @return The duration (in hours) of the appointment.     */    public int getDuration()    {        return duration;    }}