qq_43625640的博客

Listpublic static void main(String[] args) { List<String> list = new ArrayList<>(); list.add("0"); list.add("1"); list.add("2"); Iterator<String> iterator = list.iterator(); while (iterator.hasNext()) { Sy

List<XXXDO> list = this.baseMapper.listXXX(ids);//list 根据对象属性 过滤List<XXXDO> addList = list.stream().filter(s -> "XX".equals(s.getId)).collect(Collectors.toList());//获取某一个属性的 listList<String> strList= list.stream().map(XXXDO::getI