Reverse list getter

ReverseList.java

Scanner sc = new Scanner(System.in);
        List<Integer> numbers = Arrays.stream(sc.nextLine().split(" "))
                .mapToInt(Integer::parseInt).boxed().collect(Collectors.toList());
        int index = sc.nextInt();

        if (index < 0) {
            System.out.println(numbers.get(numbers.size() + index));
        } else {
            System.out.println(numbers.get(index));
        }