arraylist swap calues

1public class ArrayListExample 
2{
3    public static void main(String[] args) 
4    {
5        ArrayList<String> list = new ArrayList<>(Arrays.asList("a", "b", "c", "d", "e", "f"));
6         
7        System.out.println(list);
8         
9        Collections.swap(list, 1, 2);
10         
11        System.out.println(list);
12    }
13}
14

1String temp = arr[1];
2arr[1] = arr[2];
3arr[2] = temp;
4