From 43cf613fd15c96995c0d154610704de204c89ce0 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Thu, 8 Oct 2026 15:33:11 +0800
Subject: [PATCH] =?UTF-8?q?day10--=E5=A4=9A=E6=80=81=E7=9A=84=E6=A6=82?=
 =?UTF-8?q?=E5=BF=B5=E4=B8=8E=E6=A0=BC=E5=BC=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 day10/src/com/inmind/poly08/Animal.java |  8 ++++++++
 day10/src/com/inmind/poly08/Cat.java    |  8 ++++++++
 day10/src/com/inmind/poly08/Demo08.java | 22 ++++++++++++++++++++++
 day10/src/com/inmind/poly08/Dog.java    |  8 ++++++++
 4 files changed, 46 insertions(+)
 create mode 100644 day10/src/com/inmind/poly08/Animal.java
 create mode 100644 day10/src/com/inmind/poly08/Cat.java
 create mode 100644 day10/src/com/inmind/poly08/Demo08.java
 create mode 100644 day10/src/com/inmind/poly08/Dog.java

diff --git a/day10/src/com/inmind/poly08/Animal.java b/day10/src/com/inmind/poly08/Animal.java
new file mode 100644
index 0000000..de88280
--- /dev/null
+++ b/day10/src/com/inmind/poly08/Animal.java
@@ -0,0 +1,8 @@
+package com.inmind.poly08;
+
+public class Animal {
+
+    public void run(){
+        System.out.println("动物跑");
+    }
+}
diff --git a/day10/src/com/inmind/poly08/Cat.java b/day10/src/com/inmind/poly08/Cat.java
new file mode 100644
index 0000000..5448b16
--- /dev/null
+++ b/day10/src/com/inmind/poly08/Cat.java
@@ -0,0 +1,8 @@
+package com.inmind.poly08;
+
+public class Cat extends Animal{
+    @Override
+    public void run() {
+        System.out.println("猫闪着跑，闪身步");
+    }
+}
diff --git a/day10/src/com/inmind/poly08/Demo08.java b/day10/src/com/inmind/poly08/Demo08.java
new file mode 100644
index 0000000..c34adf6
--- /dev/null
+++ b/day10/src/com/inmind/poly08/Demo08.java
@@ -0,0 +1,22 @@
+package com.inmind.poly08;
+/*
+多态的格式和使用
+
+多态的前提：【重点】
+继承或者实现【二选一】
+方法的重写【意义体现：不重写，无意义】
+父类引用指向子类对象【格式体现】
+ */
+public class Demo08 {
+    public static void main(String[] args) {
+        //普通的面向对象的写法
+        Dog dog = new Dog();
+        Cat cat = new Cat();
+        //多态写法：父类引用指向子类对象
+        Animal animal1 = new Dog();
+        Animal animal2 = new Cat();
+
+        animal1.run();
+        animal2.run();
+    }
+}
diff --git a/day10/src/com/inmind/poly08/Dog.java b/day10/src/com/inmind/poly08/Dog.java
new file mode 100644
index 0000000..cbe937a
--- /dev/null
+++ b/day10/src/com/inmind/poly08/Dog.java
@@ -0,0 +1,8 @@
+package com.inmind.poly08;
+
+public class Dog extends Animal{
+    @Override
+    public void run() {
+        System.out.println("狗哆嗦地跑");
+    }
+}