* @throws ClassNotFoundException .
*/
private static void examplePutGet(final PeerDHT[] peers, final Number160 nr)
throws IOException, ClassNotFoundException {
FuturePut futurePut = peers[PEER_NR_1].put(nr).data(new Data("hallo")).start();
futurePut.awaitUninterruptibly();
System.out.println("peer " + PEER_NR_1 + " stored [key: " + nr + ", value: \"hallo\"]");
FutureGet futureGet = peers[PEER_NR_2].get(nr).start();
futureGet.awaitUninterruptibly();
System.out.println("peer " + PEER_NR_2 + " got: \"" + futureGet.data().object() + "\" for the key " + nr);
// the output should look like this: