class CRLFInjection {

    @RequestMapping("/safecode")
    @ResponseBody
    public void crlf(HttpServletRequest request, HttpServletResponse response) {<FILL_FUNCTION_BODY>}
}

        response.addHeader("test1", request.getParameter("test1"));
        response.setHeader("test2", request.getParameter("test2"));
        String author = request.getParameter("test3");
        Cookie cookie = new Cookie("test3", author);
        response.addCookie(cookie);
    
<no_super_class>