public class ArrayReversing {
  public static void main(String[] args) {
    int[] intArr = { 1, 2, 3, 4, 5 };
    Reverse(intArr);
    Printing(intArr);
  }

  public static void Reverse(int[] arr) {
    // initiate the start and the end of the ArrayReversing
    int start = 0;
    int end = arr.length - 1;

    while (start < end) {
      int temp = arr[start];
      arr[start] = arr[end];
      arr[end] = temp;
      // Moving pointers
      start++;
      end--;
    }
  }

  public static void Printing(int[] arr) {
    for (int x : arr) {
      System.out.println(x + " ");
    }
    System.out.println();
  }

}