public static void main(String[] args) {
        System.out.println("Hello Java");
        long startTime = System.currentTimeMillis();
        List<Integer> collect = IntStream.range(1, 1000000).boxed().collect(Collectors.toList());
        collect.stream().forEach(System.out::println);
        long endTime = System.currentTimeMillis();
        System.out.println("time taken " + (endTime - startTime));
    }