PancakeHouseMenuIterator2

package prep_29_iteratorpattern;

import java.util.ArrayList;
import java.util.List;

public class PancakeHouseMenuIterator implements Iterator {
	private List items = new ArrayList<>();

	private int position = 0; // current position of the iteration over the array

	public PancakeHouseMenuIterator(ArrayList menuItems) {
		this.items = menuItems; // the items we're going to iterate over
	}

	public Object next() { // returns next item in array, increments position
		MenuItem menuItem = (MenuItem) items.get(position);
		position = position + 1;
		return menuItem;
	}

	public boolean hasNext() {
		if (position >= items.size() || items.get(position) == null) {
			return false;
		} else {
			return true; // return true if there are more elements we haven't looked at
		}
	}
}