diff --git a/student.java b/student.java
new file mode 100644
index 0000000000000000000000000000000000000000..187d8b0adf2e8001151a7100f469a4f53b389925
--- /dev/null
+++ b/student.java
@@ -0,0 +1,21 @@
+public class student {
+    public static void main(String[] args) {
+        student[] st = new student[4];
+
+        Student s1 = new Student(1,"张三",21,"男");
+        Student s2 = new Student(2,"李四",25,"男");
+        Student s3 = new Student(3,"王丽",19,"女");
+
+        st[0] = s1;
+        st[1] = s2;
+        st[2] = s3;
+
+        System.out.println(s1.id + " "+s1.name" "+s1.age+" "+s1.sex+" ");
+        System.out.println(s2.id + " "+s2.name" "+s2.age+" "+s2.sex+" ");
+        System.out.println(s3.id + " "+s3.name" "+s3.age+" "+s3.sex+" ");
+
+        s1.run();
+        s2.eat();
+        s3.sleep();
+    }
+}
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_\351\203\255\345\255\220\346\207\277_2344310236/MainTest.java"
similarity index 63%
rename from "work/com/java/minxi/java_20240415/java_2302_\345\274\240\344\270\211_2000212322/MainTest.java"
rename to "work/com/java/minxi/java_20240415/java_2302_\351\203\255\345\255\220\346\207\277_2344310236/MainTest.java"
index fdbea2f2d88a9f2c1c547cb790d3c74660015b13..379d408bdda13614b3e21bc6c05d70b08151b6c8 100644
--- "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_\351\203\255\345\255\220\346\207\277_2344310236/MainTest.java"
@@ -1,4 +1,4 @@
-package com.java.minxi.java_20240415.java_2302_张三_2000212322;
+package com.java.minxi.java_20240415.java_2302_郭子懿_2344310236;
 
 public class MainTest {
 
diff --git "a/work/com/java/minxi/java_20240415/java_2302_\351\203\255\345\255\220\346\207\277_2344310236/Student2.java" "b/work/com/java/minxi/java_20240415/java_2302_\351\203\255\345\255\220\346\207\277_2344310236/Student2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7f0ec8c69bb22bdf4a18ee4dc2e21647eb9a697b
--- /dev/null
+++ "b/work/com/java/minxi/java_20240415/java_2302_\351\203\255\345\255\220\346\207\277_2344310236/Student2.java"
@@ -0,0 +1,27 @@
+package com.java.minxi.java_20240415.java_2302_郭子懿_2344310236;
+
+public class Student2 {
+    public static void main(String[] args) {
+        Student st1 = new Student();
+        st1.age=21;
+        st1.id=1;
+        st1.name="张三";
+        st1.sex="男";
+
+        Student st2 = new Student();
+        st2.age=25;
+        st2.id=2;
+        st2.name="李四";
+        st2.sex="男";
+
+        Student st3 = new Student();
+        st3.age=19;
+        st3.id=3;
+        st3.name="王丽";
+        st3.sex="女";
+
+        System.out.print(st2.name);st2.run();
+        System.out.print(st1.name);st1.eat();
+        System.out.print(st3.name);st3.sleep();
+    }
+}