@@ -0,0 +1,429 @@
+package ru.matevosyan;%0A%0Aimport java.util.*;%0A%0Apublic class UserConverter %7B%0A%0A%0A    public HashMap%3CInteger, User%3E process(List%3CUser%3E list) %7B%0A%0A        Iterator%3CUser%3E userIterator = list.listIterator();%0A        HashMap%3CInteger, User%3E userMap = new HashMap%3C%3E();%0A        while (userIterator.hasNext()) %7B%0A            User user = userIterator.next();%0A            userMap.put(user.getId(), user);%0A        %7D%0A        return userMap;%0A    %7D%0A%0A%7D%0A

add UserConverter class