I need help with the following need code to execute program and if possible know how to do it by hand. Thank you for your help.

Selection-Step

QUESTION:

 //Sort the array arr[] for (int i = 0; i < arr.length - 1; i++) { //outer int index = i; for (int j = i + 1; j < arr.length; j++) if (arr[j] < arr[index]) index = j; int smallerNumber = arr[index]; arr[index] = arr[i]; arr[i] = smallerNumber; }//for i 

In the array= 21 20 6 9 12 7 9 19 11, after the completion of the outer iteration #4 , the array becomes =