Чтение файла побайтно Java

package IO;

import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;

/**
 * Created by Sky_el on 23.02.2017.
 */
public class TestEOF {
    public static void main(String[] args) throws IOException {
        DataInputStream in = new DataInputStream(new FileInputStream("src/IO/TestEOF.java"));
        while(in.available() != 0) {
            System.out.print((char)in.readByte());
        }
    }
}