Java using HttpURLConnection to get or post

GET POST JAVA

    private String excuteGet(String desiredUrl)
            throws Exception {
        URL url = null;
        BufferedReader reader = null;
        StringBuilder stringBuilder;

        try {
            // create the HttpURLConnection
            url = new URL(desiredUrl);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();

            // just want to do an HTTP GET here
            connection.setRequestMethod("GET");

            // uncomment this if you want to write output to this url
            //connection.setDoOutput(true);

            // give it 15 seconds to respond
            connection.setReadTimeout(15 * 1000);
            connection.connect();

            // read the output from the server
            reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            stringBuilder = new StringBuilder();

            String line = null;
            while ((line = reader.readLine()) != null) {
                stringBuilder.append(line + "\n");
            }
            return stringBuilder.toString();
        } catch (Exception e) {
            e.printStackTrace();
            throw e;
        } finally {
            // close the reader; this can throw an exception too, so
            // wrap it in another try/catch block.
            if (reader != null) {
                try {
                    reader.close();
                } catch (IOException ioe) {
                    ioe.printStackTrace();
                }
            }
        }
    }    
    /*
     * The urlParameters is a URL encoded string.
     * 
     * String urlParameters = "fName=" + URLEncoder.encode("???", "UTF-8") +
     * "&lName=" + URLEncoder.encode("???", "UTF-8")
     */
    public static String excutePost(String targetURL, String urlParameters) {
        URL url;
        HttpURLConnection connection = null;
        try {
            //Create connection
            url = new URL(targetURL);
            connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod("POST");
            connection.setRequestProperty("Content-Type",
                    "application/x-www-form-urlencoded");

            connection.setRequestProperty("Content-Length", ""
                    + Integer.toString(urlParameters.getBytes().length));
            connection.setRequestProperty("Content-Language", "en-US");

            connection.setUseCaches(false);
            connection.setDoInput(true);
            connection.setDoOutput(true);

            //Send request
            DataOutputStream wr = new DataOutputStream(
                    connection.getOutputStream());
            wr.writeBytes(urlParameters);
            wr.flush();
            wr.close();

            //Get Response  
            InputStream is = connection.getInputStream();
            BufferedReader rd = new BufferedReader(new InputStreamReader(is));
            String line;
            StringBuilder response = new StringBuilder();
            while ((line = rd.readLine()) != null) {
                response.append(line);
                response.append('\r');
            }
            rd.close();
            return response.toString();

        } catch (Exception e) {

            e.printStackTrace();
            return null;

        } finally {

            if (connection != null) {
                connection.disconnect();
            }
        }
    }