import java.util.List; import java.util.logging.Logger; public class HelpCommand11 implements Command11 { private static final Logger logger = Logger.getLogger(HelpCommand11.class.getName()); @Override public String getName() { return "help"; } @Override public void execute(String[] args, List articles) { logger.info("用户执行 help 命令"); System.out.println("===== W11 帮助菜单 ====="); System.out.println("help 查看帮助"); System.out.println("history 查看命令历史"); System.out.println("analyze 分析URL链接"); System.out.println("exit 退出程序"); } }