import java.util.*; public class Exercise11_02 { public static void main(String[] args) { } } class Person { protected String name; protected String address; protected String phoneNumber; protected String email; @Override public String toString() { return "Person"; } } class Student1 extends Person { public static int FRESHMAN = 1; public static int SOPHOMORE = 2; public static int JUNIOR = 3; public static int SENIOR = 4; protected int status; @Override public String toString() { return "Student"; } } class Employee extends Person { protected String office; protected int salary; protected Calendar dateHired; @Override public String toString() { return "Employee"; } } class Faculty extends Employee { public static int LECTURER = 1; public static int ASSISTANT_PROFESSOR = 2; public static int ASSOCIATE_PROFESSOR = 3; public static int PROFESSOR = 4; protected String officeHours; protected int rank; @Override public String toString() { return "Faculty"; } } class Staff extends Employee { protected String title; @Override public String toString() { return "Staff's title is " + title; } }