Get the 3 most recent placed order

RecentOrders.java

    @RequestMapping("/recent")
    public List<Order> getRecentOrders (@RequestParam("limit") final Optional<Long> limit) {
        return orderRepo.findAll().stream().
                sorted(Comparator.
                        comparing(com.mycompany.functional.programming.exercises.models.Order::getOrderDate).
                        reversed()).limit(limit.get()).map(o -> new Order(o.getId(), o.getOrderDate(),
                        o.getDeliveryDate(), o.getStatus())).collect(Collectors.toList());
    }