删除ArrayList中重复的元素
转载:http://blog.csdn.net/gabriel80/article/details/3274747
利用HashSet中不包含重复元素的性质。
private void filter(ArrayList<String> list) { HashSet hSet = new HashSet(list); list.clear(); list.addAll(hSet); System.out.println(list); }
转载:http://blog.csdn.net/gabriel80/article/details/3274747
利用HashSet中不包含重复元素的性质。
private void filter(ArrayList<String> list) { HashSet hSet = new HashSet(list); list.clear(); list.addAll(hSet); System.out.println(list); }