$1.$ IN JAVA CODE $-$ Define a PersonType object that represents a person's name, gender, social security number, race, and address. Be sure to define the relevant methods to fully implement the PersonType object. Define a StudentType object to inherit attributes of the PersonType object. However, each student has a student ID number, classification $($graduate or undergraduate$),$ major, gpa, and course list. A student should be able to change their major, enroll and unenroll from a course, and keep track of their how many semesters they have enrolled. $2.$ IN JAVA CODE $-$ Write the definition of the main in the Driver class to test the functionality of each of the implemented objects from Exercise $1.$ Declare two StudentType object, student$1$ and student$2.$