IntStream.rangeClosed(1, 100)
        .mapToObj(i -> Optional.of(i)
                .filter(num -> num % 15 == 0)
                .map(num -> "FizzBuzz")
                .orElse(Optional.of(i)
                        .filter(num -> num % 3 == 0)
                        .map(num -> "Fizz")
                        .orElse(Optional.of(i)
                                .filter(num -> num % 5 == 0)
                                .map(num -> "Buzz")
                                .orElse(String.valueOf(i)))))
        .forEach(System.out::println);