import java.util.Arrays; public class ArrayManipulation { public
  static int[] reverseArray(int[] arr) { for (int i = 0; i <
  arr.length/2; i++) { int tmp = arr[i]; arr[i] = arr[arr.length -
  1 - i]; arr[arr.length - 1 - i] = tmp; } return arr; } public
  static void main(String[] args) { int[] arr = {1,2,3,4,5};
  System.out.println(Arrays.toString(reverseArray(arr))); } }