public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException { MemcacheService ms; Gson gson; String linkID; List<String> linkList; ms = MemcacheServiceFactory.getMemcacheService(); gson = new Gson(); linkID = req.getParameter("linkid"); linkList = gson.fromJson(req.getParameter("linklist"), List.class); ms.put("LinkList_" + linkID, linkList); }