From 8ecc8d41f86ab1e5bd146dd9188191185f6f6851 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Mon, 27 Jul 2026 16:55:40 +0800
Subject: [PATCH] =?UTF-8?q?day10-=E7=AC=94=E8=AE=B0=E6=9C=AC=E6=A1=88?=
 =?UTF-8?q?=E4=BE=8B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../com/inmind/duotai_test12/KeyBoard.java    | 17 ++++++++++
 .../src/com/inmind/duotai_test12/Laplop.java  | 26 +++++++++++++++
 day10/src/com/inmind/duotai_test12/Mouse.java | 17 ++++++++++
 .../src/com/inmind/duotai_test12/Test12.java  | 32 +++++++++++++++++++
 day10/src/com/inmind/duotai_test12/Usb.java   |  6 ++++
 5 files changed, 98 insertions(+)
 create mode 100644 day10/src/com/inmind/duotai_test12/KeyBoard.java
 create mode 100644 day10/src/com/inmind/duotai_test12/Laplop.java
 create mode 100644 day10/src/com/inmind/duotai_test12/Mouse.java
 create mode 100644 day10/src/com/inmind/duotai_test12/Test12.java
 create mode 100644 day10/src/com/inmind/duotai_test12/Usb.java

diff --git a/day10/src/com/inmind/duotai_test12/KeyBoard.java b/day10/src/com/inmind/duotai_test12/KeyBoard.java
new file mode 100644
index 0000000..4dc89c7
--- /dev/null
+++ b/day10/src/com/inmind/duotai_test12/KeyBoard.java
@@ -0,0 +1,17 @@
+package com.inmind.duotai_test12;
+//键盘类，要实现USB接口，具备敲击的方法
+public class KeyBoard implements Usb{
+    @Override
+    public void open() {
+        System.out.println("键盘开始工作");
+    }
+
+    @Override
+    public void close() {
+        System.out.println("键盘关闭了");
+    }
+
+    public void knock(){
+        System.out.println("键盘敲击了,敲了java！！！");
+    }
+}
diff --git a/day10/src/com/inmind/duotai_test12/Laplop.java b/day10/src/com/inmind/duotai_test12/Laplop.java
new file mode 100644
index 0000000..6f1d977
--- /dev/null
+++ b/day10/src/com/inmind/duotai_test12/Laplop.java
@@ -0,0 +1,26 @@
+package com.inmind.duotai_test12;
+//笔记本类，包含运行功能、关机功能、使用USB设备功能
+public class Laplop {
+    public void powerOn(){
+        System.out.println("笔记本开机");
+    }
+
+    public void powerOff(){
+        System.out.println("笔记本关机");
+    }
+
+    public void useUSB(Usb usbDevice) {
+        usbDevice.open();
+        //加上类型判断，是鼠标就点，是键盘就敲
+        if (usbDevice instanceof Mouse) {
+            Mouse mouse = (Mouse) usbDevice;
+            mouse.click();
+        }
+        if (usbDevice instanceof KeyBoard) {
+            KeyBoard keyBoard = (KeyBoard)usbDevice;
+            keyBoard.knock();
+        }
+
+        usbDevice.close();
+    }
+}
diff --git a/day10/src/com/inmind/duotai_test12/Mouse.java b/day10/src/com/inmind/duotai_test12/Mouse.java
new file mode 100644
index 0000000..5f94e08
--- /dev/null
+++ b/day10/src/com/inmind/duotai_test12/Mouse.java
@@ -0,0 +1,17 @@
+package com.inmind.duotai_test12;
+//鼠标类，要实现USB接口，并具备点击的方法
+public class Mouse implements Usb{
+    @Override
+    public void open() {
+        System.out.println("鼠标已打开");
+    }
+
+    @Override
+    public void close() {
+        System.out.println("鼠标已关闭");
+    }
+
+    public void click(){
+        System.out.println("鼠标点击了");
+    }
+}
diff --git a/day10/src/com/inmind/duotai_test12/Test12.java b/day10/src/com/inmind/duotai_test12/Test12.java
new file mode 100644
index 0000000..2911387
--- /dev/null
+++ b/day10/src/com/inmind/duotai_test12/Test12.java
@@ -0,0 +1,32 @@
+package com.inmind.duotai_test12;
+/*
+笔记本电脑
+笔记本电脑（laptop）通常具备使用USB设备的功能。在生产时，笔记本都预留了可以插入USB设备的USB接口，但具体是什么USB设备，
+笔记本厂商并不关心，只要符合USB规格的设备都可以。
+定义USB接口，具备最基本的开启功能和关闭功能。鼠标和键盘要想能在电脑上使用，那么鼠标和键盘也必须遵守USB规范，实现USB接口，
+否则鼠标和键盘的生产出来也无法使用。
+
+案例分析
+进行描述笔记本类，实现笔记本使用USB鼠标、USB键盘
+USB接口，包含开启功能、关闭功能
+笔记本类，包含运行功能、关机功能、使用USB设备功能
+鼠标类，要实现USB接口，并具备点击的方法
+键盘类，要实现USB接口，具备敲击的方法
+ */
+public class Test12 {
+    public static void main(String[] args) {
+        //买一个笔记本
+        Laplop laplop = new Laplop();
+        //开机
+        laplop.powerOn();
+        //买一个鼠标和键盘
+        Mouse mouse = new Mouse();
+        KeyBoard keyBoard = new KeyBoard();
+        //让笔记本使用键盘和鼠标
+        laplop.useUSB(mouse);
+        laplop.useUSB(keyBoard);
+
+        //关机
+        laplop.powerOff();
+    }
+}
diff --git a/day10/src/com/inmind/duotai_test12/Usb.java b/day10/src/com/inmind/duotai_test12/Usb.java
new file mode 100644
index 0000000..c0e9018
--- /dev/null
+++ b/day10/src/com/inmind/duotai_test12/Usb.java
@@ -0,0 +1,6 @@
+package com.inmind.duotai_test12;
+//USB接口，包含开启功能、关闭功能
+public interface Usb {
+    public abstract void open();
+    void close();
+}