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17 lines
385 B
17 lines
385 B
package w5进阶版;
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// 测试
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public class TestUSB {
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public static void main(String[] args) {
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// 创建电脑对象
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Computer myComputer = new Computer();
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// 创建USB设备
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USB mouse = new Mouse();
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USB keyboard = new Keyboard();
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// 插入不同设备
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myComputer.useUSB(mouse);
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myComputer.useUSB(keyboard);
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}
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}
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