GAE draft

    <form method="post" action="/gae2018v">
        <input type="text" name="login">
        <input type="password" name="password">
        <input type="checkbox" name="remember"> rem
        <input type="submit">
    </form>

==========

package me.dvorkin;

import java.io.*;
import java.net.*;
import java.util.*;

import javax.servlet.http.*;

@SuppressWarnings("serial")
public class GAE2018vServlet extends HttpServlet {
    int count = 0;

    public void doGet(HttpServletRequest req, HttpServletResponse resp)
            throws IOException {
        count++;
        resp.setContentType("text/html");
//      resp.setContentType("text/plain");
        System.out.println(req.getQueryString());
        resp.getWriter().println("<p>Hello, <b>world</b></p>");
        resp.getWriter().println(System.currentTimeMillis());
        Map<?, ?> map = req.getParameterMap();
        for (Object s : map.keySet()) {
            resp.getWriter().println("<br>");
            resp.getWriter().println(s);
            resp.getWriter().println("<br>");
            resp.getWriter().println(
                    Arrays.toString((String[])map.get(s)));
        }
        resp.getWriter().println("<br>");
        resp.getWriter().println(count);

        URL url = new URL("http://ya.ru/");
        URLConnection con = url.openConnection();
        BufferedReader br = new BufferedReader(
                new InputStreamReader(
                        con.getInputStream(),
                        "UTF-8"
                        )
                );
        while (br.ready()) {
            resp.getWriter().println(br.readLine());
        }
    }

    public void doPost(HttpServletRequest req, HttpServletResponse resp)
            throws IOException {
        doGet(req, resp);
    }
}