Rewrite the definition of the method writeOutput for the class Undergraduate in listing 8.4, using getName and getStudentNumber instead of super.writeOutput. (most programmers would use the version in...

Rewrite the definition of the method writeOutput for the class

Undergraduate in listing 8.4, using getName and getStudentNumber

instead of super.writeOutput. (most programmers would use the version

in listing 8.4, but you should be able to write either version.)