DinnerMenu.java

package IteratorPattern.MenuExample;

public class DinnerMenu {
    
    static final int MAX_ITEMS = 6;
    int numberOfItems = 0;
    MenuItem[] menuItems;

    public DinnerMenu() {
        menuItems = new MenuItem[MAX_ITEMS];

        addItem("Vegetarian BLT", 
                "(Fakin') Bacon with lettuce & tomato on whole wheat", 
                true,
                2.99);

        addItem("BLT", 
                "Bacon, Lettuce & Tomato on whole wheat", 
                true,
                2.99);

        addItem("Soup of the day", 
                "Soup of the day, with a side of potato salad", 
                false,
                3.29);      

        addItem("Hotdog",
                "A hot dog, with sauteed onions, relish, mustard",
                false,
                3.05);
    }

    public void addItem(String name, String description, boolean vegetarian, double price) {
        MenuItem menuItem = new MenuItem(name, description, vegetarian, price);
        if (numberOfItems >= MAX_ITEMS) {   
            System.err.println("Sorry, menu is full!");
        } else {
            menuItems[numberOfItems] = menuItem;
            numberOfItems++;
        }
    }

    // After setting up iterator this isn't needed anymore
    // It exposes the internal structure
    // public MenuItem[] getMenuItems() {
    //     return menuItems;
    // }
    public Iterator createIterator() {
        return new DinnerMenuIterator(menuItems);
    }
}