4. Provide output for the following code snippet: import java.util.Arrays; public class Exam{ public static void main(String[] args) { int[] arr = {0,1,2,3,4,5}; System.out.println(Arrays.toString(arr)); swap(arr, 0, 1); System.out.println(Arrays.toString(arr)); } } } public static void swap(int[] arr, int index1, int index2) { int temp = arr[index1]; arr[index1] = arr[index2]; arr[index2] = temp;