如果我有一个迭代器并且我想检查最后一个值，我该如何检查它？喜欢privateSetsaarcCountries=newTreeSet();Iteratoriter=saarcCountries.iterator();while(iter.hasNext()){Stringname=(String)iter.next();intcountryId=Integer.parseInt(name);newsOrAnnouncementInsert.add(newsId);newsOrAnnouncementInsert.add(countryId);newsOrAnnouncementInse

如果我有一个迭代器并且我想检查最后一个值，我该如何检查它？喜欢privateSetsaarcCountries=newTreeSet();Iteratoriter=saarcCountries.iterator();while(iter.hasNext()){Stringname=(String)iter.next();intcountryId=Integer.parseInt(name);newsOrAnnouncementInsert.add(newsId);newsOrAnnouncementInsert.add(countryId);newsOrAnnouncementInse