如何读取文件a.txt中第10个字节?
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();
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();
