In Try This 6-3, the recursive quicksort method qs ( ) selects the middle value of the array as the comparand. Modify the method so that it selects the first element of the array as the comparand, and...

In Try This 6-3, the recursive quicksort method qs ( ) selects the middle value of the array as the comparand. Modify the method so that it selects the first element of the array as the comparand, and then answer the same questions as in the preceding exercise.