Test for end of file while reading a byte at a time in Java

//from   ww  w  .j a  v a2 s  .  c  om
import java.io.BufferedInputStream;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;

public class Main {
  public static void main(String[] args) throws IOException {
    DataInputStream in = new DataInputStream(new BufferedInputStream(
        new FileInputStream("TestEOF.java")));
    while (in.available() != 0)
      System.out.print((char) in.readByte());
  }
}