1import java.util.Arrays;
2 
3public class Main {
4    public static <T> void swap(T[] arr, int i, int j) {
5        T temp = arr[i];
6        arr[i] = arr[j];
7        arr[j] = temp;
8    }
9 
10    public static void main(String[] args) {
11        String[] words = {"cat", "dog", "bird"};
12        swap(words, 0, 2);
13        System.out.println(Arrays.toString(words));
14    }
15}