java - how to return two lists from controller class in spring mvc -

i have 2 tables call maintab,subtab generate menubar.

maintab has   maitabid ,main_tab_name  subtab has: sub_tb_id  ,main_tb_id,subtab_name ,url 

i want 2 list containig list1=maintabid & maintabname

list2=subtabname,maintabid & url 

i want return 2 list using spring mvc. , retrieve in jsp page populate menu.please give me code of controller class , jsp: use hibernate , tile sample.

i tired

public string listmaintabandsubtabs(map<string, object> map) {          map.put("maintab", new maintab());         map.put("maintablist", contactservice.listmaintab());          return "maintab";     } 

how return subtabs , main tabs both 1 method....

why want return list, use map instead.

in controller can use,

map mp = new hashmap();  mp.put("list1", lst1); mp.put("list2", lst2);  return mp; 

in jsp, can iterate map,

for (map.entry<> entry : mp.entryset()) {     string listkey = entry.getkey();     list<> childlst = entry.getvalue(); } 

edit :

once have 2 list, can iterate them, in multiple ways,

you can use

for (x obj: childlst) { // x indicates class of object list contains system.out.println(obj); }

you can use iterator loop through list.