ArrayList function ( ) { return inventory ; }
gets the collection of inventory items . concode_field_sep double inventoryPriceTotal concode_elem_sep ArrayList inventory concode_elem_sep int inventoryUnitTotal concode_field_sep int getInventoryUnitTotal concode_elem_sep double getInventoryPriceTotal concode_elem_sep void addInventoryItem concode_elem_sep void removeInventoryItem concode_elem_sep void recalculateIventoryTotal