List 排序 内部类

Collections.sort(flightScheduleReturnBeanList , new Comparator() {
           public int compare(Object o1, Object o2) {
            FlightScheduleReturnBean flightScheduleReturnBean1 = (FlightScheduleReturnBean) o1;
         FlightScheduleReturnBean flightScheduleReturnBean2 = (FlightScheduleReturnBean) o2;
         return flightScheduleReturnBean1.getStd().compareTo(flightScheduleReturnBean2.getSta());
          }
       });