diff --git a/work/com/java/minxi/java_20240418/Demo.java b/work/com/java/minxi/java_20240418/Demo.java
new file mode 100644
index 0000000000000000000000000000000000000000..fa2bc56bb02b7f42f40663fafc8680191c7dea28
--- /dev/null
+++ b/work/com/java/minxi/java_20240418/Demo.java
@@ -0,0 +1,32 @@
+package com.java.minxi.java_20240418;
+
+import com.sun.xml.internal.ws.addressing.WsaActionUtil;
+
+public class Demo {
+public  int id;
+public String name;
+public int age;
+public String sex;
+
+    public Demo(int id, String name, int age, String sex) {
+        this.id = id;
+        this.name = name;
+        this.age = age;
+        this.sex = sex;
+    }
+public void run() {
+    System.out.println(this.name+"在跑步");
+}
+public void  eat(){
+    System.out.println(this.name+"再吃饭");
+}
+public  void  sleep(){
+    System.out.println(this.name+"在睡觉");
+}
+
+
+
+
+
+
+}
diff --git a/work/com/java/minxi/java_20240418/Demo1.java b/work/com/java/minxi/java_20240418/Demo1.java
new file mode 100644
index 0000000000000000000000000000000000000000..394fe3221fbf4d954074875d357b65e344eb415b
--- /dev/null
+++ b/work/com/java/minxi/java_20240418/Demo1.java
@@ -0,0 +1,16 @@
+package com.java.minxi.java_20240418;
+
+public class Demo1 {
+    public static void main(String[] args) {
+
+
+
+        Demo name1 = new Demo(1, "张三", 21, "男");
+        Demo name2 = new Demo(2, "李四", 25, "男");
+        Demo name3 = new Demo(3, "王丽", 19, "女");
+
+        name1.eat();
+        name2.run();
+        name3.sleep();
+    }
+}