Miscellany

static List<Olut> olutlista = new LinkedList();

-------

    @Override
    public Olut lisaaOlut(Olut olut) {
        olutlista.add(olut);
        System.out.println(olutlista.toString());
        return olut;
    }

---------

    @Override
    public List<Olut> listaaOluet() {
        return olutlista;
    }

------------

    public Olut() {
        this.setId((int) (Math.random()*100));
    }

------------

    @RequestMapping(method = RequestMethod.GET, value = "olut")
    public String listaaOluet(Model model) {
        model.addAttribute("oluet", olutPalvelu.listaaOluet());
        return "redirect:/list.jsp";
    }

---------------------

            <c:forEach var="olut" items="${oluet}">
                ID: ${olut.id}
            </c:forEach>