File f=new File("C:\Users\marslab4\workspace\Registration\WebContent\sample2.json");
        f.createNewFile();
        //out.println("json");
        /*FileWriter filewriter = new FileWriter(f, true);
        filewriter.write("first name:" + fname);
        filewriter.write("last name:" + lname);
        filewriter.write("user name:" + uname);
        filewriter.write("email:" + email);
        filewriter.write("password:" + pswd);
        filewriter.write("confirm password:" + repswd);
        filewriter.write("phonenumber:" + phonenumber);
        filewriter.write("security question:" + SecurityQuestion);
        filewriter.write("answer" + tarea);
        filewriter.flush();
        filewriter.close(); */

    //saving in JSON form

    JSONObject json=new JSONObject();
    JSONArray jarray=new JSONArray();
    JSONObject details;
   try
    {
       for(int i=0;i<10;i++)
       {
               details = new JSONObject();
               details.put("firstname:",fname);
               details.put("lastname:",lname);
               details.put("username:",uname);
               details.put("email:",email);
               details.put("password:",pswd);
               details.put("confirm password:",repswd);
               details.put("phonenumber:",phonenumber);
               details.put("security question:",SecurityQuestion);
               details.put("answer:",tarea);
               jarray.put(details);
       }
               json.put("details",jarray);
    }
    catch(JSONException e)
    {
        out.print("unable to save in JSON File");
        e.printStackTrace();
    }
   response.setContentType("application/json");
   response.getWriter().write(json.toString());

response.setContentType("text/html");
PrintWriter out = response.getWriter();
String fname=request.getParameter("fname");
String lname=request.getParameter("lname");
String uname=request.getParameter("uname");
String email=request.getParameter("email");
String pswd=request.getParameter("pswd");
String repswd=request.getParameter("repswd");
String phonenumber=request.getParameter("phonenumber");
String SecurityQuestion=request.getParameter("SecurityQuestion");
String tarea=request.getParameter("tarea");

File f = new File("C:\Users\marslab4\workspace\Registration\WebContent\sample2.json");
FileWriter filewriter = new FileWriter(f, true);
filewriter.write(json.toString()); // Pass json object.
filewriter.flush();
filewriter.close();