decimal integer to array

  public static void main(final String[] args) {
    try (Scanner scan = new Scanner(System.in)) {
      int n=scan.nextInt();
      final int[] a = new int[(int) Math.floor(Math.log10(n) + 1)];
      int rem;
      int i=0;
      while(n!=0)
      {
        rem=(n%10);
        a[a.length - i - 1] = rem;
        n = n/10;
        i++;
      }
      System.out.println(Arrays.toString(a));
    }
  }