Problem $2$

Make a class Employee with a name and salary.

Make a class Manager that inherits from Employee. Add an instance variable, named department, of type String.

Make a class Executive inherit from Manager.

Implement toString and equals methods for all classes; supply a test program that tests these classes and methods.

Required Submission for both problems: Submit the java source code, writeup of the solution and screenshots of the output

Additional Information

Two instances of a class are equal if all properties have the same value. Make sure to review "equals" reference article posted in Chapter Notes. Problem$2$: feel free to create your own test data. Please include writeup of algorithim or solution