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10 lines
294 B
10 lines
294 B
// Computer.java
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public class Computer {
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public void useUSB(USB usbDevice) {
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System.out.println("电脑检测到 USB 设备插入。");
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usbDevice.open();
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// 模拟使用过程
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usbDevice.close();
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System.out.println("USB 设备已移除。\n");
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}
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}
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