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1.利用AI复习了如何使用多态,继承和方法重写 |
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2.做进阶题时,利用AI学习了接口的定义,实现类该怎么写,implements的作用等等 |
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3.写完代码后利用AI帮我指出代码错误,修改代码并理解错误原因 |
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package com.example.shape; |
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interface USB { |
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void open(); |
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void close(); |
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} |
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class Mouse implements USB { |
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@Override |
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public void open() { |
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System.out.println("鼠标已连接,指示灯亮起"); |
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} |
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@Override |
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public void close() { |
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System.out.println("鼠标已断开,指示灯熄灭"); |
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} |
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public void click() { |
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System.out.println("鼠标点击了一下"); |
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} |
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} |
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class Keyboard implements USB { |
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@Override |
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public void open() { |
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System.out.println("键盘已连接,可正常输入"); |
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} |
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@Override |
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public void close() { |
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System.out.println("键盘已断开,无法输入"); |
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} |
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public void type() { |
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System.out.println("键盘按下了按键"); |
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} |
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} |
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class Computer { |
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public void useUSB(USB usb) { |
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usb.open(); |
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if (usb instanceof Mouse) { |
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((Mouse) usb).click(); |
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} else if (usb instanceof Keyboard) { |
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((Keyboard) usb).type(); |
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} |
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usb.close(); |
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System.out.println("------------------------"); |
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} |
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} |
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public class USBTest { |
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public static void main(String[] args) { |
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Computer computer = new Computer(); |
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USB mouse = new Mouse(); |
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USB keyboard = new Keyboard(); |
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System.out.println("=== 插入鼠标 ==="); |
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computer.useUSB(mouse); |
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System.out.println("=== 插入键盘 ==="); |
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computer.useUSB(keyboard); |
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} |
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} |
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After Width: | Height: | Size: 348 KiB |
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