From d6274e5f4f219904ed8ab8440cc728247e2069be Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Wed, 23 Sep 2026 11:52:26 +0800
Subject: [PATCH] =?UTF-8?q?day09--=E7=BB=A7=E6=89=BF=E4=B8=AD=E6=96=B9?=
 =?UTF-8?q?=E6=B3=95=E7=9A=84=E8=A6=86=E7=9B=96=E9=87=8D=E5=86=99=5F?=
 =?UTF-8?q?=E5=BA=94=E7=94=A8=E5=9C=BA=E6=99=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../com/inmind/extends_method03/NewPhone.java | 16 ++++++++++++
 .../com/inmind/extends_method03/Phone.java    | 15 +++++++++++
 .../com/inmind/extends_method03/Test06.java   | 26 +++++++++++++++++++
 3 files changed, 57 insertions(+)
 create mode 100644 day09/src/com/inmind/extends_method03/NewPhone.java
 create mode 100644 day09/src/com/inmind/extends_method03/Phone.java
 create mode 100644 day09/src/com/inmind/extends_method03/Test06.java

diff --git a/day09/src/com/inmind/extends_method03/NewPhone.java b/day09/src/com/inmind/extends_method03/NewPhone.java
new file mode 100644
index 0000000..c20af90
--- /dev/null
+++ b/day09/src/com/inmind/extends_method03/NewPhone.java
@@ -0,0 +1,16 @@
+package com.inmind.extends_method03;
+
+public class NewPhone extends Phone{
+
+    //重写来电显示功能 ctrl+o
+
+    @Override
+    public void show() {
+        super.show();//沿袭父类的功能
+        //可以对父类的show方法进行扩展
+        //System.out.println("新的显示电话号码");
+        System.out.println("显示头像");
+        System.out.println("备注名称");
+        System.out.println("显示电诈");
+    }
+}
diff --git a/day09/src/com/inmind/extends_method03/Phone.java b/day09/src/com/inmind/extends_method03/Phone.java
new file mode 100644
index 0000000..bec9f07
--- /dev/null
+++ b/day09/src/com/inmind/extends_method03/Phone.java
@@ -0,0 +1,15 @@
+package com.inmind.extends_method03;
+
+public class Phone {
+    public void call(){
+        System.out.println("打电话");
+    }
+
+    public void send(){
+        System.out.println("发短信");
+    }
+
+    public void show(){
+        System.out.println("显示电话号码");
+    }
+}
diff --git a/day09/src/com/inmind/extends_method03/Test06.java b/day09/src/com/inmind/extends_method03/Test06.java
new file mode 100644
index 0000000..5be1c43
--- /dev/null
+++ b/day09/src/com/inmind/extends_method03/Test06.java
@@ -0,0 +1,26 @@
+package com.inmind.extends_method03;
+/*
+使用继承的语法，定义2个类，并实现一些功能
+1.定义一个10年前的手机类 Phone
+2.定义一个现在的手机类 NewPhone
+3.10年新旧手机是否有相同的属性，如果有，请用继承来封装到父类中
+4.考虑新旧手机是否有不同的功能，如果有，请定义不同的功能方法，是否有相同的功能，也定义出来
+
+打电话
+发短信
+
+玩抖音
+玩APP
+
+重写的作用：对父类的功能，不满意，那就重写即可，可以选择性地沿袭或扩展
+ */
+public class Test06 {
+    public static void main(String[] args) {
+        Phone phone = new Phone();
+
+        NewPhone newPhone = new NewPhone();
+        phone.show();
+
+        newPhone.show();
+    }
+}