RandomAccessFile.readUnsignedByte() has the following syntax.
public final int readUnsignedByte() throws IOException
In the following code shows how to use RandomAccessFile.readUnsignedByte() method.
//w ww. j av a2 s. c om import java.io.*; public class Main { public static void main(String[] args) { try { RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw"); // write something in the file raf.writeUTF("Hello World from java2s.com"); // set the file pointer at 0 position raf.seek(0); // print the byte System.out.println(raf.readUnsignedByte()); // set the file pointer at 7 position raf.seek(7); System.out.println(raf.readUnsignedByte()); raf.close(); } catch (IOException ex) { ex.printStackTrace(); } } }