Проблемы с парсингом даты

public class DemoRoom {
    public static void main(String[] args) throws Exception {
        Path path = new Path();
        RoomRepository roomRepository = new RoomRepository();
 
 
        Hotel hotel1 = new Hotel(1L, "Ajax", "Holland", "Amsterdam", "Amsterdamskaja");
        Hotel hotel2 = new Hotel(2L, "Slask", "Poland", "Wroclaw", "Wroclawskaja");
        Hotel hotel3 = new Hotel(3L, "Dynamo", "Ukraine", "Kyiv", "Obolonskaja");
 
        SimpleDateFormat dateFormat = new SimpleDateFormat("dd-MMM-yyyy");
        String newDate1 = "07-Jun-2019";
        String newDate2 = "10-Nov-2020";
        String newDate3 = "31-Dec-2020";
 
        Room room1 = new Room(1L, 2, 200.0, false, false, dateFormat.parse(newDate1), hotel1);
        Room room2 = new Room(2L, 5, 1900.99, true, true, dateFormat.parse(newDate2), hotel2);
        Room room3 = new Room(3L, 1, 499.99, true, false, dateFormat.parse(newDate3), hotel3);
 
        
        roomRepository.deleteRoom("2305040668905650960");

 @Override
    public Room pars(String str) throws Exception {
        if (str == null)
            throw new Exception("String does not exist!");
        String[] arr = str.split(",");
        Room room = new Room();
        room.setId(Long.parseLong(arr[0]));
        room.setNumberOfGuests(Integer.parseInt(arr[1]));
        room.setPrice(Double.parseDouble(arr[2]));
        room.setBreakfastIncluded(Boolean.parseBoolean(arr[3]));
        room.setPetsAllowed(Boolean.parseBoolean(arr[4]));
        room.setDateAvailableFrom(DateFormat.getInstance().parse(arr[5]));
        new HotelRepository().findHotelById((arr[6]));
        return room;
    }