package Message;
public class School {
    private String universityName; // 校名
    private String universityLocation; // 校址
    private int yearFounded; // 创校年份
    private String deanName; // 校长姓名
    private int studentCapacity; // 学校容量
    // 构造方法
    public School(String universityName, String universityLocation,
                  int yearFounded, String deanName, int studentCapacity) {
        this.universityName = universityName;
        this.universityLocation = universityLocation;
        this.yearFounded = yearFounded;
        this.deanName = deanName;
        this.studentCapacity = studentCapacity;
    }
    // Getter 和 Setter 方法
    public String getUniversityName() {
        return universityName;
    }
    public void setUniversityName(String universityName) {
        this.universityName = universityName;
    }
    public String getUniversityLocation() {
        return universityLocation;
    }
    public void setUniversityLocation(String universityLocation) {
        this.universityLocation = universityLocation;
    }
    public int getYearFounded() {
        return yearFounded;
    }
    public void setYearFounded(int yearFounded) {
        this.yearFounded = yearFounded;
    }

    public String getDeanName() {
        return deanName;
    }
    public void setDeanName(String deanName) {
        this.deanName = deanName;
    }
    public int getStudentCapacity() {
        return studentCapacity;
    }
    public void setStudentCapacity(int studentCapacity) {
        this.studentCapacity = studentCapacity;
    }
}

 2.Class.java

package Message;
import java.util.ArrayList;
public class Class {
    private String className; // 班级名
    private int studentCount; // 学生人数
    private ArrayList<String> studentRoster; // 学生花名册
    private int maxCapacity; // 班级最大容量
    private String teacherName; // 班主任姓名
    // 构造方法
    public Class(String className, int maxCapacity, String teacherName) {
        this.className = className;
        this.studentCount = 0;
        this.studentRoster = new ArrayList<>();
        this.maxCapacity = maxCapacity;
        this.teacherName = teacherName;
    }
    // Getter 和 Setter 方法
    public String getClassName() {
        return className;
    }
    public void setClassName(String className) {
        this.className = className;
    }
    public int getStudentCount() {
        return studentCount;
    }
    public void setStudentCount(int studentCount) {
        this.studentCount = studentCount;
    }
    public int getMaxCapacity() {
        return maxCapacity;
    }
    public void setMaxCapacity(int maxCapacity) {
        this.maxCapacity = maxCapacity;
    }
    public String getTeacherName() {
        return teacherName;
    }
    public void setTeacherName(String teacherName) {
        this.teacherName = teacherName;
    }

3.Student.java

package Message;
public class Student {
    private String stuName; // 姓名
    private int money; // 存款余额
    private String studentID; // 学号
    private int age; // 年龄
    private String address; // 地址
    private String phoneNumber; // 电话号码
    private String major; // 专业
    private String admissionYear; // 入学年份
    private boolean isRegistered; // 是否已注册
    private boolean isEnrolled; // 是否已入学
    // 构造方法
    public Student(String stuName, int money, String studentID, int age, String address, String phoneNumber, String major, String admissionYear) {
        this.stuName = stuName;
        this.money = money;
        this.studentID = studentID;
        this.age = age;
        this.address = address;
        this.phoneNumber = phoneNumber;
        this.major = major;
        this.admissionYear = admissionYear;
        this.isRegistered = true;
        this.isEnrolled = true;
    }
    // Getter 和 Setter 方法
    public String getStuName() {
        return stuName;
    }
    public void setStuName(String stuName) {
        this.stuName = stuName;
    }
    public int getMoney() {
        return money;
    }
    public void setMoney(int money) {
        this.money = money;
    }
    public String getStudentID() {
        return studentID;
    }
    public void setStudentID(String studentID) {
        this.studentID = studentID;
    }
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
    public String getAddress() {
        return address;
    }
    public void setAddress(String address) {
        this.address = address;
    }
    public String getPhoneNumber() {
        return phoneNumber;
    }
    public void setPhoneNumber(String phoneNumber) {
        this.phoneNumber = phoneNumber;
    }
    public String getMajor() {
        return major;
    }
    public void setMajor(String major) {
        this.major = major;
    }
    public String getAdmissionYear() {
        return admissionYear;
    }
    public void setAdmissionYear(String admissionYear) {
        this.admissionYear = admissionYear;
    }
    public boolean isRegistered() {
        return isRegistered;
    }
    public void setRegistered(boolean registered) {
        isRegistered = registered;
    }
    public boolean isEnrolled() {
        return isEnrolled;
    }
    public void setEnrolled(boolean enrolled) {
        isEnrolled = enrolled;
    }
}