Set < DrinkOrder > function ( ) { return orderList ; }
gets order list concode_field_sep boolean valid concode_elem_sep int drinkCounter concode_elem_sep Set<DrinkOrder> orderList concode_elem_sep int account concode_elem_sep int bill concode_field_sep int getBill concode_elem_sep void setBill concode_elem_sep void setValid concode_elem_sep int getAccount concode_elem_sep boolean isValid concode_elem_sep void setAccount concode_elem_sep int getDrinkCounter concode_elem_sep void setDrinkCounter