Create a directory PersonSuperclass that has four files in it:
Person class includes instance variables that identify a person by name and age (an int value). Include accessor methods for those two attributes, as well as a celebrateBirthday method that increases the person's age by one.Student subclass inherits from Person, and includes a String instance variable major that identifies that student's major in school. Include a getMajor getter method as well as a changeMajor setter method.Instructor subclass that also inherits from Person, and includes a double variable salary that tracks the instructor's yearly pay, and a getSalary() method.PersonSuperclassTester program creates and tests instances of each of these classes.