See attachment for details.

What to use in your completed code

Get input from file.
Ask user at least a single question and read at least one answer.
Use at least a single method from Math class.
Use at least one overloaded constructor.
Use at least one if-else-if, while, for, and enhanced for loops.
Use methods to pass and return identifiers and objects.
Pass arrays to/from methods.
Use at least a method to sort the array in the project.
Use inheritance and polymorphism.
Use exception handling.
Use input validation.

Pass the input and output files as commandline arguments.