list按照字段去重

private static ArrayList<InformationDetailVo> removeDuplicate(List<InformationDetailVo> list) {
        Set<InformationDetailVo> set = new TreeSet<>(Comparator.comparing(InformationDetailVo::getCategoryId));
        set.addAll(list);
        return new ArrayList<>(set);
    }
posted @ 2018-09-10 16:24  qwer78  阅读(22)  评论(0)    收藏  举报