KlinesIceCreamMenuIterator.java

public class KlinesIceCreamMenuIterator implements Iterator {
    MenuItem[] items;
    int position = 0;

    public KlinesIceCreamMenuIterator(MenuItem[] items) {
        this.items = items;
    }

    public MenuItem next() {
        MenuItem menuItem = items[position];
        position = position + 1;
        return menuItem;
    }

    public boolean hasNext() {
        if (position >= items.length || items[position] == null) {
            return false;
        } else {
            return true;
        }
    }

    public void remove() {
        if (position <=0) {
            throw new IllegalStateException("Can't remove until ")
        }
        if (list[position - 1] != null) {
            for (int i = position - 1; i < (list.length - 1); i++) {
                list[i] = list[i+1];
            }
            list[list.length -1] = null;
        }
    }
}