J260713/授课代码/c260724/src/course/polymorphism/Usb.java

package course.polymorphism;

/**
 * @author WanJl
 * @version 1.0
 * @title Usb
 * @description
 * @create 2026/7/24
 */
public interface Usb {
    void startUsb();
    void stopUsb();
}