44 Str 轉list

String str = "測試1,測試2，測試3，測試4"; //此處爲了將字符串中的空格去除做了一下操作 List<String> list= Arrays.asList(str .split(",")).stream().map(s -> (s.trim())).collect(Collectors.toList()); //list<String>轉字符串（以逗號隔開） System.out.println(String.join(",", list)); List lis1= Collections.singletonList(String.join(",", list)); System.out.println(lis1);