Java tutorial
import java.io.IOException; import java.io.FileInputStream; public class Main { public static void main(String[] args) throws IOException { byte[] bs = new byte[4]; FileInputStream fis = new FileInputStream("C://test.txt"); // read bytes to the buffer int i = fis.read(bs, 2, 1); System.out.println("Number of bytes read: " + i); // for each byte in buffer for (byte b : bs) { // converts byte to character char c = (char) b; if (b == 0) { c = '-'; } System.out.println(c); } } }