diff --git "a/work/com/java/minxi/java_20240516/java_2302_\350\265\226\345\255\246\347\202\234_2344310216/Main.java" "b/work/com/java/minxi/java_20240516/java_2302_\350\265\226\345\255\246\347\202\234_2344310216/Main.java"
index c972f3fceedced49fe2e210ffd1e440f2d4f140c..52639ba764fbe24671143318dd41f792890c95dc 100644
--- "a/work/com/java/minxi/java_20240516/java_2302_\350\265\226\345\255\246\347\202\234_2344310216/Main.java"
+++ "b/work/com/java/minxi/java_20240516/java_2302_\350\265\226\345\255\246\347\202\234_2344310216/Main.java"
@@ -28,7 +28,7 @@ public class Main {
         System.out.println(a*Math.random());
         Date date = new Date();
         year(date);
-        var sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
         System.out.println(sdf.format(date));
         Date date1 = new Date(System.currentTimeMillis());
         System.out.println(sdf.format(date1));
diff --git "a/work/com/java/minxi/java_20240524/java_2302_\350\265\226\345\255\246\347\202\234_2344310216/Main.java" "b/work/com/java/minxi/java_20240524/java_2302_\350\265\226\345\255\246\347\202\234_2344310216/Main.java"
new file mode 100644
index 0000000000000000000000000000000000000000..49153bb8b20c176208bfed5a5fb0b2b837bd762c
--- /dev/null
+++ "b/work/com/java/minxi/java_20240524/java_2302_\350\265\226\345\255\246\347\202\234_2344310216/Main.java"
@@ -0,0 +1,74 @@
+package com.java.minxi.java_20240524.java_2302_赖学炜_2344310216;
+
+import java.sql.*;
+
+public class Main {
+    public static void main(String[] args) {
+        demo1();
+        }
+    public static void demo1() {
+        ResultSet rs = null;
+        Statement statement = null;
+        Connection connection = null;
+        try {
+            Class.forName("com.mysql.cj.jdbc.Driver");
+            String url="jdbc:mysql://127.0.0.1:3306/Student?serverTimezone=Asia/Shanghai";
+            String userName="root";
+            String passWord="123456";
+            connection = DriverManager.getConnection(url,userName,passWord);
+            String sql="select * from teacher_info ";
+            statement = connection.createStatement();
+            rs = statement.executeQuery(sql);
+            while (rs.next()){
+                int id = rs.getInt("id");
+                String teacher_name = rs.getNString("teacher_name");
+                int age = rs.getInt("age");
+
+                System.out.println(id);
+                System.out.println(teacher_name);
+                System.out.println(age);
+            }
+            System.out.println("_______________");
+            sql = "select * from teacher_info where id=1 and age = 35";
+            rs = statement.executeQuery(sql);
+
+            while (rs.next()){
+                int id = rs.getInt("id");
+                String teacher_name = rs.getNString("teacher_name");
+                int age = rs.getInt("age");
+
+                System.out.println(id);
+                System.out.println(teacher_name);
+                System.out.println(age);
+
+            }
+
+        }catch (Exception e) {
+            e.printStackTrace();
+        }finally {
+            try {
+                if (null != rs){
+                    rs.close();
+                }
+                if (null != statement) {
+                    statement.close();
+                }
+                if (null != connection) {
+                    connection.close();
+                }
+
+            }catch (Exception e){
+                e.printStackTrace();
+            }
+
+        }
+    }
+
+
+
+
+
+    }
+
+
+
diff --git "a/work/com/java/minxi/java_20240531/java_2302_\350\265\226\345\255\246\347\202\234_2344310216/work.jsp" "b/work/com/java/minxi/java_20240531/java_2302_\350\265\226\345\255\246\347\202\234_2344310216/work.jsp"
new file mode 100644
index 0000000000000000000000000000000000000000..d9947ffc543773de9b8ad6961ac69173729a770f
--- /dev/null
+++ "b/work/com/java/minxi/java_20240531/java_2302_\350\265\226\345\255\246\347\202\234_2344310216/work.jsp"
@@ -0,0 +1,27 @@
+<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="utf-8" %>
+<html>
+<head>
+    <title>jsp页面</title>
+</head>
+<body>
+<%
+class Animal{
+    String sleep(int time) {
+        return "一只动物在睡觉";
+    }
+}
+class Cat extends Animal {
+    String name = "汤姆猫";
+    int time = 8;
+    @Override
+    String sleep(int time) {
+        return "一只"+this.name+"睡觉睡了"+time+"个小时";
+    }
+}
+Animal animal = new Animal();
+Cat cat = new Cat();
+%>
+
+<p><%= animal.sleep(0)%>></p>
+<p><%= cat.sleep(8)%></p>
+</body>