public boolean validate(String un, String pw){
        TypedQuery<UserC> query;
        query = (TypedQuery<UserC>) em.createQuery("SELECT u FROM user as u WHERE u.username = :uName AND u.password = :uPass")
        .setParameter("uName", un)
        .setParameter("uPass",pw);

        List<UserC> users = query.getResultList();
        String pw2="";
        String un2="";
        //since it should only be one user  this works.
        // (username should be uniquue in the DB
        for(UserC user : users)
        {
            un2= user.getUN();
            pw2= user.getPW();
        }

        /**
        *ArrayList<String> results1 = new ArrayList<>();
        *ArrayList<String> results2 = new ArrayList<>();
        *
        *for(UserC user : users){
        *    results1.add(user.getUN());
        *}
        *
        *for(UserC user2 : users){
        *    results2.add(user2.getPW());
        *}
        */
        String dbUsername = un2;
        String dbPassword = pw2;

        return un.equals(dbUsername)&&pw.equals(dbPassword);
        //return true om det stemmer

    }