Java tutorial
import java.nio.ByteBuffer; import java.nio.LongBuffer; public class Main { public static void main(String[] args) { ByteBuffer bb = ByteBuffer.wrap(new byte[] { 0, 0, 0, 0, 0, 0, 0, 'a' }); bb.rewind(); LongBuffer lb = ((ByteBuffer) bb.rewind()).asLongBuffer(); System.out.println("Long Buffer"); while (lb.hasRemaining()) System.out.println(lb.position() + " -> " + lb.get()); } }