init(isLoopback(addr) ? null : addr, addr.getHostName());
init(addr.isLoopbackAddress() ? null : addr, addr.getHostName());
    public JmDNS() throws IOException {        try {            InetAddress addr = InetAddress.getLocalHost();            init(isLoopback(addr) ? null : addr, addr.getHostName());        } catch (IOException e) {            init(null, "computer");        }    }