string和list
- string转list逗号分隔
Arrays.asList(str.split(","));
- string转list后,不能对list进行修改操作,如果要修改再转化一次后得到的list可以进行修改
List<String> strList =new ArrayList<>(Arrays.asList(str.split(",")));
参考:java.lang.UnsupportedOperationException: null异常处理
3. list转string,以逗号分隔
String.join(",", list);
- string转List
List<String> strings = Arrays.asList(integerList.split(","));