For the next() method, why do we decrement and return value if we are trying to go to the next value?

4:53 PM Wed Feb 19 59% 5 TOADE Q + - return item. first current times times of best best the the was was it it - null null Stack iterator: array implementation import java.util. Iterator; public class Stack implements Iterable public Iterator iterator { return new ReverseArrayIterator(); } private class ReverseArrayIterator implements Iterator private int i = N; public boolean hasNext() { return i > 0; public void remove() { /* not supported */ > public Item next() { return s[--i]; } } next() is just decrement and return the next one and our instance variable is an index in the array. s[] it 0 was 1 the 2 best 3 of 4 times 5 null 6 null 7 null 8 null 9 Bag API Main application. Adding items to a collection and iterating