ArrayList mSumList = new ArrayList();
ArrayList mOneList = new ArrayList();
mSumList.AddRange(mOneList);
List同样
合并后排除重复项
HashSet hs = new HashSet(list1);
hs.addAll(list2);
ArrayList mSumList = new ArrayList();
ArrayList mOneList = new ArrayList();
mSumList.AddRange(mOneList);
List同样
合并后排除重复项
HashSet hs = new HashSet(list1);
hs.addAll(list2);