Runtime rt = Runtime.getRuntime();
String url = String.format("http://www.companysms.com/RemoteAPI/SendSMS.aspx?username=%s&encoding=url&password=%s&messagedata=%s&receiver=%s&binary=0", txtUsername.getText(),txtPassword.getText(), txtMessage.getText(),tblMessage.getValueAt(i, 2));
rt.exec("rundll32 url.dll,FileProtocolHandler "+ url);

HttpURLConnection connection = (HttpURLConnection) myURL.openConnection();
    connection.setRequestMethod("GET");
    connection.setDoOutput(true);
    connection.connect();
    BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
    StringBuilder results = new StringBuilder();
    String line;
    while ((line = reader.readLine()) != null) {
        results.append(line);
    }

    connection.disconnect();