[Java] Java中List 去掉重复的值,并保持原先List顺序

  private List<YourBean> removeDuplicate(List<YourBean> list) {
        Set<YourBean> set = new HashSet<YourBean>();
        List<YourBean> newList = new ArrayList<YourBean>();
        for (Iterator<YourBean> iter = list.iterator(); iter.hasNext();) {
            YourBean element = (YourBean) iter.next();
       //利用set集合不会添加重复元素的特性
if (set.add(element)) newList.add(element); } return newList; }
原文地址:https://www.cnblogs.com/avivaye/p/5336093.html