3, 4, 5, 6, 7, 8, 9, 10); public static List<Integer> getEvenListsBefore() { List<Integer> evenLists = new ArrayList<>(); for (Integer num : numList) { if (num % 2 == 0) { evenLists.add(num); } } return evenLists; } // ݺͼग़͠ݩ Log.d("hogehoge", RxSample.getEvenListBefore().toString()); // ࣮ߦ݁Ռ [2, 4, 6, 8, 10] Before ۮͷϦετΛ toString() Ͱจࣈྻʹͯ͠ग़ྗ