diff --git "a/work/com/java/minxi/java_20240415/java_2302_\345\274\240\344\270\211_2000212322/MainTest.java" "b/work/com/java/minxi/java_20240415/java_2302_\345\274\240\344\270\211_2000212322/MainTest.java"
deleted file mode 100644
index fdbea2f2d88a9f2c1c547cb790d3c74660015b13..0000000000000000000000000000000000000000
--- "a/work/com/java/minxi/java_20240415/java_2302_\345\274\240\344\270\211_2000212322/MainTest.java"
+++ /dev/null
@@ -1,8 +0,0 @@
-package com.java.minxi.java_20240415.java_2302_张三_2000212322;
-
-public class MainTest {
-
-    public static void main(String[] args) {
-        System.out.println("Hello World");
-    }
-}
\ No newline at end of file
diff --git "a/work/com/java/minxi/java_20240418/java_2302_\345\210\230\350\264\244\345\233\275_2344310219/Main.java" "b/work/com/java/minxi/java_20240418/java_2302_\345\210\230\350\264\244\345\233\275_2344310219/Main.java"
new file mode 100644
index 0000000000000000000000000000000000000000..0cc732d169588d3a47aae8b54e26901262e25696
--- /dev/null
+++ "b/work/com/java/minxi/java_20240418/java_2302_\345\210\230\350\264\244\345\233\275_2344310219/Main.java"
@@ -0,0 +1,42 @@
+package com.java.minxi.java_20240418.java_2302_刘贤国_2344310219;
+
+public class Main {
+    public static void main(String[] args) {
+
+        Student student1 = new Student();
+        student1.id = 1;
+        student1.name = "张三";
+        student1.age = 21;
+        student1.sex = "男";
+
+        Student student2 = new Student();
+        student2.id = 2;
+        student2.name = "李四";
+        student2.age = 25;
+        student2.sex = "男";
+
+        Student student3 = new Student();
+        student3.id = 3;
+        student3.name = "王丽";
+        student3.age = 19;
+        student3.sex = "女";
+
+        student2.run();
+        student1.eat();
+        student3.sleep();
+
+        System.out.println(student1.id +
+                student1.name +
+                student1.age +
+                student1.sex);
+        System.out.println(student2.id +
+                student2.name +
+                student2.age +
+                student2.sex);
+        System.out.println(student3.id +
+                student3.name +
+                student3.age +
+                student3.sex);
+    }
+  }
+
diff --git "a/work/com/java/minxi/java_20240418/java_2302_\345\210\230\350\264\244\345\233\275_2344310219/Student.java" "b/work/com/java/minxi/java_20240418/java_2302_\345\210\230\350\264\244\345\233\275_2344310219/Student.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d129e6800d342cdfecb6d309d3178616e6b13d9d
--- /dev/null
+++ "b/work/com/java/minxi/java_20240418/java_2302_\345\210\230\350\264\244\345\233\275_2344310219/Student.java"
@@ -0,0 +1,20 @@
+package com.java.minxi.java_20240418.java_2302_刘贤国_2344310219;
+
+public class Student {
+    int id;
+    String name;
+    int age;
+    String sex;
+
+    public void run() {
+        System.out.println(name + "正在跑步");
+    }
+
+    public void eat() {
+        System.out.println(name + "正在吃饭");
+    }
+
+    public void sleep() {
+        System.out.println(name + "正在睡觉");
+    }
+}