diff --git "a/work/com/java/minxi/java_20240425/java_2302_\345\210\230\345\256\227\346\227\255_2344310210/TestWork.java" "b/work/com/java/minxi/java_20240425/java_2302_\345\210\230\345\256\227\346\227\255_2344310210/TestWork.java"
new file mode 100644
index 0000000000000000000000000000000000000000..94e5f6b523c3235521fc25e306dfb6f60c69df68
--- /dev/null
+++ "b/work/com/java/minxi/java_20240425/java_2302_\345\210\230\345\256\227\346\227\255_2344310210/TestWork.java"
@@ -0,0 +1,164 @@
+package com.java.minxi.java_20240425.java_2302_刘宗旭_2344310210;
+
+//:Java2024/data4_25.TestWork.java
+
+import java.util.*;
+
+class Employee {//员工类
+    static long count = 0;
+    private static ArrayList<Employee> obj = new ArrayList<>();//存放对象集合
+    private long staffId = 230000;
+    private String account;
+    private String password = "123456";//初始密码
+    private String name;
+    private int age;
+    private ArrayList<String> setAccount;//该集合属于对象
+    private Random random;
+
+    public Employee() {//无参构造器:它同时也是一个注册功能，创建对象时自动生成一个账号
+        Employee.obj.add(this);
+        setAccount = new ArrayList<>();//存放账户的集合
+        random = new Random();
+        this.generateAccount();
+        staffId++;
+        count++;
+    }
+
+    public Employee(String uid, String password, String name, int age) {//有参构造器：用于修改信息（名字，性别，年龄，密码）
+    }
+
+    //将以下三个功能集成为一个系统
+    public static void ManagementSystem(Employee a) {
+        System.out.println("-------<欢迎使用初音ミク推荐的管理系统>-------");
+        System.out.println("说明：键入的数字以选择功能：" + "\n" + "1.登入\n" + "2.打卡\n" + "3.退出");
+        for (; ; ) {
+            System.out.println("继续选择功能-");
+            Scanner select = new Scanner(System.in);
+            int num = select.nextInt();
+            switch (num) {
+                case 1:
+                    obj.get(obj.indexOf(a)).Login();
+                    continue;
+                case 2:
+                    obj.get(obj.indexOf(a)).clockInAndOut();
+                    continue;
+                case 3:
+                    obj.get(obj.indexOf(a)).exit();
+                    return;
+                default:
+                    System.out.println("选择错误");
+            }
+        }
+    }
+
+    private void generateAccount() {//生成账号方法
+        int randomNumber = generateRandomNumber();//调用生成随机数方法，生成一个随机数
+        if (checkDuplicate(randomNumber)) {//调用检查重复方法，检查是否存在账号重复
+            generateAccount();
+        }
+        String account = generateAccount(randomNumber);//定义引用account
+        setAccount.add(account);//将account的值放入集合
+        this.account = account;//将account的值赋给对象属性account
+        System.out.println("注册成功--" + setAccount.get(setAccount.indexOf(account)));
+//        System.out.println(setAccount);
+    }
+
+    private int generateRandomNumber() {//生成随机数方法
+        return random.nextInt(1000000);
+    }
+
+    private boolean checkDuplicate(int randomNumber) {//检查重复账号方法
+        return setAccount.contains(String.valueOf(randomNumber));
+    }
+
+    private String generateAccount(int randomNumber) {//重载生成账号方法，用于记录随机数作为账号
+        return String.valueOf(randomNumber);
+    }
+
+    public long getStaffId() {
+        return staffId;
+    }
+
+    public void setStaffId(long staffId) {
+        this.staffId = staffId;
+    }
+
+    public String getAccount() {
+        return account;
+    }
+
+    public void setAccount(String account) {
+        this.account = account;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    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;
+    }
+
+    //创建登录，打卡，退出三个功能
+    public void Login() {// 登录功能:必须要进行账号密码校验，校验OK才可以登录
+        System.out.println("请输入账号：");
+        Scanner inputAccount = new Scanner(System.in);
+        String act = String.valueOf(inputAccount.nextInt());
+        System.out.println("请输入密码：");
+        Scanner inputPassword = new Scanner(System.in);
+        String psw = inputPassword.nextLine();
+
+        //校验：每个账号对应一个密码
+        if (this.setAccount.contains(act)) {
+            if (this.account.equals(act) && this.password.equals(psw)) {
+                System.out.println("登入成功");
+            } else System.out.println("账号或者密码错误");
+        } else System.out.println("账号不存在");
+    }
+
+
+    public void clockInAndOut() {//打卡功能:需要校验员工的ID和密码才可以进行打卡；
+        System.out.println("请输入id：");
+        Scanner inputStaffId = new Scanner(System.in);
+        long isi = inputStaffId.nextLong();
+        System.out.println("请输入入密码：");
+        Scanner inputPassword = new Scanner(System.in);
+        String psd = inputPassword.nextLine();
+
+        //校验ID和密码
+        if (this.staffId == isi && this.password.equals(psd)) {
+            System.out.println("打卡成功");
+        } else System.out.println("id或者密码不正确");
+    }
+
+    public void exit() {//退出功能：员工的退出，不需要校验，直接退出系统
+        System.out.println("已退出");
+    }
+}
+
+public class TestWork {
+    public static void main(String[] args) {
+        //创建对象
+        Employee employee = new Employee();
+        System.out.println("请设置密码");
+        Scanner input = new Scanner(System.in);
+        employee.setPassword(input.nextLine());
+        Employee.ManagementSystem(employee);
+    }
+}
diff --git "a/work/com/java/minxi/java_20240426/java_2302_\345\210\230\345\256\227\346\227\255_2344310210/Student.java" "b/work/com/java/minxi/java_20240426/java_2302_\345\210\230\345\256\227\346\227\255_2344310210/Student.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f94f8a522feb08579f6f6449d6c970a573438a9c
--- /dev/null
+++ "b/work/com/java/minxi/java_20240426/java_2302_\345\210\230\345\256\227\346\227\255_2344310210/Student.java"
@@ -0,0 +1,66 @@
+package com.java.minxi.java_20240426.java_2302_刘宗旭_2344310210;
+
+/*
+题目：
+现有一个代码需求如下：
+1）.声明一个名为Person的类，里面有name与age两个属性，并声明一个含有两个参数的构造方法；
+2）.声明一个名为Student的类，此类继承自Person类，添加一个属性school；
+3）.在Student类的构造方法中调用父类中有两个参数的构造方法；
+4）.定义一个intro方法，进行自我介绍，输出格式：姓名：张三，年龄：18，学校：闽西职业技术学院。注意：输出语句中“，”和“：”均为中文标点符号。
+5）.实例化一个Student类的对象student，为Student对象student中的school赋值，调用intro方法，打印输出姓名：张三，年龄：18，学校：龙岩学院。
+*/
+
+
+class Person {
+    protected String name;
+    protected int age;
+
+    public Person(String name, int age) {//基类的有参构造器在导出类构造器之后调用，并且只能手动调用（super()显式调用）
+        System.out.println("Person arg-constructor");
+        this.name = name;
+        this.age = age;
+    }
+
+    public Person() {//基类的无参构造器（默认构造器）在总是在导出类构造器之前调用，并且自动调用(super()隐式调用)
+        System.out.println("Person non-arg-constructor");
+    }
+
+
+}
+
+public class Student extends Person {//基类一定要有默认构造器（无参构造器）,否则报错
+    private String school;
+
+    public Student() {
+        super("玥華", 18);//必须写在第一行，如果没有显式调用，则隐式调用基类的默认构造器（无参）
+        System.out.println("Student non-arg-constructor");
+    }
+
+    public Student(String name, int age) {
+        System.out.println("Student arg-constructor");
+        super.name = name;
+        super.age = age;
+    }
+
+    public static void main(String[] args) {
+        Student student1 = new Student();
+        student1.setSchool("闽西职业技术学院");
+        student1.intro();
+
+        Student student2 = new Student("溺水小刀", 19);
+        student2.setSchool("龙岩学院");
+        student2.intro();
+    }
+
+    public void intro() {
+        System.out.println("姓名：" + super.name + "，" + "年龄：" + super.age + "，" + "学校：" + this.school);
+    }
+
+    public String getSchool() {
+        return school;
+    }
+
+    public void setSchool(String school) {
+        this.school = school;
+    }
+}