Java tutorial
import java.io.FileInputStream; import java.nio.ByteBuffer; import java.nio.channels.ReadableByteChannel; public class Main { public static void main(String[] argv) throws Exception { ReadableByteChannel channel = new FileInputStream("infile").getChannel(); ByteBuffer buf = ByteBuffer.allocateDirect(10); int numRead = 0; while (numRead >= 0) { buf.rewind(); numRead = channel.read(buf); buf.rewind(); for (int i = 0; i < numRead; i++) { byte b = buf.get(); } } } }