5 9 2 3 5 4 7 3 1 8 6 5Assuming you have called quickSort(a, 0, 11), using the quickSort method as written on page 352, show the following:
4 2 9 1 3456 EOF
If the format of the data file is invalid or the program cannot open either the input or output file, it should terminate and print an appropriate message to the standard output.
Your program should be self-contained, that is, it should not rely on any other classes that are not in the standard Java library. E-mail your source code to me before class.