public void getLocalIPAddress() {

        try {

            InetAddress inetAddress = InetAddress.getLocalHost();

            String localIP = inetAddress.getHostAddress().trim();

            System.out.println(localIP);

        } catch (UnknownHostException e) {

            e.printStackTrace();

        }

}

private InetAddress getLocalIPAddress() {

        InetAddress ip = null;

        try {

            Enumeration<NetworkInterface> allNetInterfaces = NetworkInterface.getNetworkInterfaces();

            while (allNetInterfaces.hasMoreElements()) {

                NetworkInterface netInterface = allNetInterfaces.nextElement();

                Enumeration<InetAddress> addresses = netInterface.getInetAddresses();

                while (addresses.hasMoreElements()) {

                    ip = addresses.nextElement();

                    if (ip != null && ip instanceof Inet4Address) {

                        return ip.getLocalHost();

                    }

                }

            }

        } catch (Exception e) {

            e.printStackTrace();

        }

        return ip;

    }