diff --git a/day10/src/com/inmind/duotai08/Assissant.java b/day10/src/com/inmind/duotai08/Assissant.java
new file mode 100644
index 0000000..3b86bcb
--- /dev/null
+++ b/day10/src/com/inmind/duotai08/Assissant.java
@@ -0,0 +1,9 @@
+package com.inmind.duotai08;
+
+public class Assissant extends Employee{
+
+    @Override
+    public void work() {
+        System.out.println("助教在帮助学生");
+    }
+}
diff --git a/day10/src/com/inmind/duotai08/Demo08.java b/day10/src/com/inmind/duotai08/Demo08.java
index a33fb24..e415790 100644
--- a/day10/src/com/inmind/duotai08/Demo08.java
+++ b/day10/src/com/inmind/duotai08/Demo08.java
@@ -1,4 +1,5 @@
 package com.inmind.duotai08;
+
 /*
 定义
 多态： 是指同一行为，具有多个不同表现形式。
@@ -19,4 +20,16 @@ package com.inmind.duotai08;
 
  */
 public class Demo08 {
+    public static void main(String[] args) {
+        /*Teacher teacher = new Teacher();//本类引用指向本类对象（普通的面向对象）
+        teacher.work();*/
+
+        //多态的语法：父类引用指向子类对象【格式体现】
+        Employee e = new Teacher();
+        e.work();
+        Employee e1 = new Assissant();
+        e1.work();
+        //多态：是框架技术展示的核心！！！！
+
+    }
 }
diff --git a/day10/src/com/inmind/duotai08/Employee.java b/day10/src/com/inmind/duotai08/Employee.java
new file mode 100644
index 0000000..d3f5b70
--- /dev/null
+++ b/day10/src/com/inmind/duotai08/Employee.java
@@ -0,0 +1,11 @@
+package com.inmind.duotai08;
+
+public class Employee {
+    String name;
+    int age;
+    double salary;
+
+    public void work(){
+        System.out.println("员工正在工作");
+    }
+}
diff --git a/day10/src/com/inmind/duotai08/Teacher.java b/day10/src/com/inmind/duotai08/Teacher.java
new file mode 100644
index 0000000..f3f162c
--- /dev/null
+++ b/day10/src/com/inmind/duotai08/Teacher.java
@@ -0,0 +1,11 @@
+package com.inmind.duotai08;
+
+public class Teacher extends Employee{
+
+    //对工作的功能，要更加细分
+
+    @Override
+    public void work() {
+        System.out.println("老师正在教课");
+    }
+}