How to check if internet is available from internet application

NetworkUtil.java

 public static boolean isOnline(Context context) {
        ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        if (connectivityManager != null) {
            NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();

            return activeNetworkInfo != null && activeNetworkInfo.isConnected() && isInternetAvailable();
        }

        return false;
    }

    public static boolean isInternetAvailable() {

        return isHostAvailable("bkash.com")
                || isHostAvailable("google.com")
                || isHostAvailable("amazon.com")
                || isHostAvailable("facebook.com")
                || isHostAvailable("apple.com");
    }

    private static boolean isHostAvailable(String hostName) {
        try (Socket socket = new Socket()) {
            int port = 80;
            InetSocketAddress socketAddress = new InetSocketAddress(hostName, port);
            socket.connect(socketAddress, 3000);

            return true;
        } catch (IOException unknownHost) {
            return false;
        }
    }