DinerMenuIterator

package prep_29_iteratorpattern;

public class DinerMenuIterator implements Iterator {
	MenuItem[] items;
	int position = 0; // current position of the iteration over the array

	public DinerMenuIterator(MenuItem[] items) {
		this.items = items; // the items we're going to iterate over
	}

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

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