import java.util.List; import java.util.logging.Logger; public class ExitCommand11 implements Command11 { private static final Logger logger = Logger.getLogger(ExitCommand11.class.getName()); @Override public String getName() { return "exit"; } @Override public void execute(String[] args, List articles) { logger.info("用户执行 exit 命令,程序即将退出"); System.out.println("程序已安全退出!"); System.exit(0); } }