Question: Make a class Employee with a name and salary. Make a class Manager inherit from Employee. Add an instance variable, named department, of type String.

Make a class Employee with a name and salary. Make a class Manager inherit from Employee. Add an instance variable, named department, of type String. Supply a method toString that prints the manager’s name, department, and salary. Make a class Executive inherit from Manager. Supply appropriate toString methods for all classes. Supply a test program that tests these classes and methods.

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