public class Cinema implements ICinema {

    public static ArrayList<Seat> arrayOfSeats;
    public static CinemaException exception;

    @Override
    public void init(int rows, int columns) throws ICinemaInitCinemaException {
        arrayOfSeats = new ArrayList<>();
        Seat seat = new Seat();
        if((rows >= 1 && rows <= 26) && (columns >= 1 && columns <=100)) {
            for(int i = 0; i < rows; i++ ) {
                for(int j = 1; j <= columns; j++) {
                    seat.setRow(String.valueOf((char)(('A' + i))));
                    seat.setColumn(String.valueOf(j));
                    arrayOfSeats.add(seat);
                }
            }
        } else {
            exception = new CinemaException();
            throw new ICinemaInitCinemaException("Init error", exception);
        }

    }