Method updateSoldOutItem

StateDesignPattern/Inventory.java:60–66

(int codeNumber)

    }

    public void updateSoldOutItem(int codeNumber){
        for (ItemShelf itemShelf : itemShelves) {
            if (itemShelf.code == codeNumber) {
                itemShelf.setSoldOut(true);
            }
        }
    }
}