Chapter 7, Problem 4PP

Define a class called Administrator, which is a derived class of the class SalariedEmployee in Display 7.5. You are to supply the following additional instance variables and methods:

An instance variable of type String that contains the administrator's title (such

as "Director" or "Vice President").

An instance variable of type String that contains the administrator's area of responsibility (such as "Production", "Accounting", or "Personnel").

An instance variable of type String that contains the name of this administrator's immediate supervisor.

Suitable constructors, and suitable accessor and mutator methods.

A method for reading in an administrator's data from the keyboard.

Override the definitions for the methods equals and tostring so they are appropriate to the class Administrator.

Also, write a suitable test program.