public class Garage
{
    /** Returns the cost in dollars to park during the given hour.
     *  Precondition: 0 <= hour <= 23
     */
    public int hourlyRate(int hour)
    { /* implementation not shown */ }

    /** Returns the fee for parking from startHour up to,
     *  but not including, endHour.
     *  Precondition: 0 <= startHour < endHour <= 24
     */
    public int totalFee(int startHour, int endHour)
    { /* to be implemented in part (a) */ }

    /** Returns plate with all dashes removed and a single dash
     *  inserted after the third character.
     *  Precondition: plate has at least 4 non-dash characters
     */
    public static String formatPlate(String plate)
    { /* to be implemented in part (b) */ }
}