arraylist reverse in java

1ArrayList<Integer> arrlist = new ArrayList<Integer>();
2//This is how to reverse arrlist's oringinal order.
3Collections.reverse(arrlist);
4
5//This is how to sort in a reverse order
6 Collections.sort(arrlist, Collections.reverseOrder());

1public static void main(String[] args) {
2
3        ArrayList<Integer>list = new ArrayList<>();
4        for(int i = 1; i < 6; i++){ // bu element index degil.
5            list.add(i);
6        }
7        System.out.println(list); // [1, 2, 3, 4, 5]
8
9        for (int i = list.size()-1; i >= 0; i--) {
10            int each = list.get(i);  // unboxing
11            System.out.print(each + " "); // 5 4 3 2 1
12        }