IntおよびListタイプの変換
- 整数とリスト
Integer[] arrays = {1, 2, 3};
List<Integer> listStrings = Stream.of(arrays).collect(Collectors.toList());
- IntおよびList
int[] arrays = {1, 2, 3};
List<Integer> listStrings = Arrays.stream(arrays).boxed().collect(Collectors.toList());
