检查文件的第一行是否为空：
BufferedReader br = new BufferedReader(new FileReader("path_to_some_file")); if (br.readLine() == null) { System.out.println("No errors, and file empty");}
检查文件的第一行是否为空：
BufferedReader br = new BufferedReader(new FileReader("path_to_some_file")); if (br.readLine() == null) { System.out.println("No errors, and file empty");}名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
