Notepad.java 240 B

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  1. package J20250718.demo01_innerClass;
  2. /**
  3. * @author WanJl
  4. * @version 1.0
  5. * @title Notepad
  6. * @description
  7. * @create 2025/7/18
  8. */
  9. public class Notepad {
  10. public void useUsb(USB usb){
  11. usb.open();
  12. usb.close();
  13. }
  14. }