@RequestMapping("/employee/edit")
public ModelAndView editEmp(@RequestParam int emp_Id, @RequestParam boolean flag,
   @ModelAttribute Employee emp) {

  emp = empService.getEmp(emp_Id);

  List<String> cityList = new ArrayList<String>();
  cityList.add("Hyderabad");
  cityList.add("Secunderabad");

  Map<String, Object> map = new HashMap<String, Object>();
  map.put("cityList", cityList);
  map.put("emp", emp);

  return new ModelAndView("employee", "map", map);

 }