代码收藏

List去重(思路：将一个唯一标示维护在一个map中)

List list = yourlist;
Map<String, String> map = new HashMap<String, String>();
Itertor iter = list.iterator();
while(iter.hasNext()){
	Object obj = iter.next();
	if (map.get(obj.getXXX)){
		map.put(obj.getXXX, "");
		iter.remove();
	}
}