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@Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Hello man</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("<h3>Hello"+request.getParameter("first_name")+request.getParameter("last_name")+" java </h2>");
            out.println("</body>");
            out.println("</html>");
        }
    }