根据对象的其中一个字段进行排序

Collections.sort(list, new Comparator<AdminSuggessionVO>() {
@Override
public int compare(AdminSuggessionVO o1, AdminSuggessionVO o2) {
Date date1 =o2.getCreateDate();
Date date2 = o1.getCreateDate();
return date1.compareTo(date2);
}
});