以循环1000000万次为标准! 定义如下数组 public static char[] chars = {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q'} ; 比较对象 List接口 AttributeList , ArrayList , CopyOnWriteArrayList , LinkedList RoleList , RoleUnresolvedList , Stack Vector Set接口 ConcurrentSkipListSet ,