7-2 校园角色类设计(学生Student、教员Faculty和职员Staff)

我是张三，年龄32岁。工号是33006，2021年9月1日入职。是一名教师，讲师职称。
我是王五，年龄27岁。工号是32011，2017年7月23日入职。是一名教务员。
我是李四，年龄19岁。学号是20201103，来自202011班。

import java.time.LocalDate;
 
public class Main {
    public static void main(String[] args) {
        Faculty fac = new Faculty("张三", 32, "33006", 2021, 9, 1, "讲师");
        Student stu = new Student("李四", 19, "20201103", "202011");
        Staff sta = new Staff("王五", 27, "32011", 2017, 7, 23, "教务员");
        fac.show();
        sta.show();
        stu.show();
    }
}
 
//基类 Role
class Role {
    protected String name;       //姓名
    protected int age;
 
    //构造方法
    public Role() {
    }
 
    public Role(String name, int age) {
        this.name = name;
        this.age = age;
    }
 
    //Setter/Getter
    public String getName() {
        return name;
    }
 
    public void setName(String name) {
        this.name = name;
    }
 
    public int getAge() {
        return age;
    }
 
    public void setAge(int age) {
        this.age = age;
    }
 
    //业务方法
    public void show() {
        System.out.print("我是" + name + "，年龄" + age + "岁。");
    }
}
 
//派生类 Faculty 教员
class Faculty extends Role {
    private String employeeID;
    private LocalDate hireDate;
    private String title;
 
    public Faculty(String name, int age, String employeeID, int year, int month, int day, String title) {
        super(name, age);
        this.employeeID = employeeID;
        this.hireDate = LocalDate.of(year, month, day);
        this.title = title;
    }
 
    @Override
    public void show() {
        super.show();
        System.out.println("工号是" + employeeID + "，" + hireDate.getYear() + "年" + hireDate.getMonthValue() + "月" + hireDate.getDayOfMonth() + "日入职。是一名教师，" + title + "职称。");
    }
}
 
//派生类 Student 学生
class Student extends Role {
    private String studentID;
    private String className;
 
    public Student(String name, int age, String studentID, String className) {
        super(name, age);
        this.studentID = studentID;
        this.className = className;
    }
 
    @Override
    public void show() {
        super.show();
        System.out.println("学号是" + studentID + "，来自" + className + "班。");
    }
}
 
//派生类 Staff 职员
class Staff extends Role {
    private String employeeID;
    private LocalDate hireDate;
    private String position;
 
    public Staff(String name, int age, String employeeID, int year, int month, int day, String position) {
        super(name, age);
        this.employeeID = employeeID;
        this.hireDate = LocalDate.of(year, month, day);
        this.position = position;
    }
 
    @Override
    public void show() {
        super.show();
        System.out.println("工号是" + employeeID + "，" + hireDate.getYear() + "年" + hireDate.getMonthValue() + "月" + hireDate.getDayOfMonth() + "日入职。是一名" + position + "。");
    }
}