一、 获取两个list中不同的数据 静态方法
public static List<String> getDiffrent(List<String> list1, List<String> list2){
Map<String,Integer> map = new HashMap<String,Integer>(list1.size()+list2.size());
List<String> diff = new ArrayList<String>();
List<String> maxList = list1;
List<String> minList = list2;
if(list2.size()>list1.size(<