[java] HttpURLConnection POST

        try {
 //コネクション
            URL url = new URL("URL");
            httpURLConnection_ = (HttpURLConnection) url.openConnection();
 httpURLConnection_.setDoOutput (true); // Enable POST
            httpURLConnection_.connect();

 //送信したいデータ
            String param = "param1=1";

 //リクエストボディに送信したいデータを書き込む
            OutputStream os = httpURLConnection_.getOutputStream();
            BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8"));
            writer.write(param);
            writer.flush();
            writer.close();

 //クローズ処理
            os.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

public class Server extends HttpServlet{
    public void doPost(HttpServletRequest request, 
                       HttpServletResponse response)
                       throws IOException, ServletException{
        request.getParameter("param1");
    }
}

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