J250419/chapter01-javaSE/J20250718/demo01_innerClass/UserDao.java

package J20250718.demo01_innerClass;

/**
 * @author WanJl
 * @version 1.0
 * @title UserDao
 * @description
 * @create 2025/7/18
 */
public interface UserDao {
    void addUser();
}