ADD POLYMORPHISM TO THE STAFF CLASS WITH TWO FUNCTIONS get score()

AND

ADD INHERITANCE TO STUDENT CLASS

To the following code

class Main {

public static void main(String[] args) {

Person person1 = new Person();

person1.name = "John Doe";

person1.address = "Abuja";

System.out.println(person1.name+" "+person1.address);

Staff staff1 = new Staff("Jane Doe","Kano",2,400);

System.out.println(staff1.name+" "+staff1.address+" "+staff1.staff_Number+" "+staff1.salary);

Student stud1 = new Student("Joe Doe","Lagos",3,"Computer Science",true);

System.out.println(stud1.name+" "+stud1.address+" "+stud1.studId+" "+stud1.department+" "+stud1.regStatus);

}

}