FileInputStream in = new FileInputStream("a.txt"); in.skip(9);//skip(long n) 方法,调过文件 n 个字节数 int b = in.read(); 来一道刷了进BAT的面试题? 相关文章: 2021-11-29 2022-12-23 2022-01-23 2022-12-23 2022-12-23 2022-12-23 2021-08-22 2022-12-23