getImpl().setOption (SocketOptions.SO_REUSEADDR, new Boolean (on));
getImpl().setOption (SocketOptions.SO_REUSEADDR, Boolean.valueOf(on));
  public void setReuseAddress(boolean on) throws SocketException  {    if (isClosed())      throw new SocketException("socket is closed");    getImpl().setOption (SocketOptions.SO_REUSEADDR, new Boolean (on));  }