how to swap in java using function in array code example

Example 1: java array swap

public static void swap(int x, int y, int[] arr) {
  	int temp = arr[x];
  	arr[x] = arr[y];
  	arr[y] = temp;
}

Example 2: array.swap java

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