方法一: reverse ArrayList
1 private void reverse(ArrayList<Integer> nums,
int start,
int end) {
2 for (
int i = start, j = end; i < j; i++, j--
) {
3 int temp =
nums.get(i);
4 nums.set(i, nums.get(j));
5 nums.set(j, temp);
6 }
7 }
转载于:https://www.cnblogs.com/hygeia/p/4837042.html