private bool CheckNameAndVegetarian(MenuItem menuItem,string name)
            {
                if (menuItem.getName() == name)
                    return menuItem.isVegetarian();

                return false;
            }
 private void addItem(string name, string description, bool isVegetarian, int price)
 {
     var menuItem = new MenuItem(price, description, name, isVegetarian);
     menuItems.Add(menuItem.getName(),menuItem);
 }