@Override
    public Class<?> getColumnClass(int columnIndex) {
        switch (columnIndex) {
            case IMAGE_COLUMN:
                return ImageIcon.class;
            case NAME_COLUMN:
                return String.class;
            case CODE_COLUMN:
                return String.class;
            case PRICE_COLUMN:
                return Double.class;
            case COUNT_COLUMN:
                return Integer.class;
        }
            return Object.class;

    }