Question

i get the result from a query using:

String query = "select a from TABLE a";
Query q = em.createQuery(query);
List<Type> res = q.setMaxResults(5).getResultList();

how do i print the list out using a loop? im trying this but i have to manually specify the value to print.

  Iterator<SplashPage> i = resultList.iterator();
        while (i.hasNext())
        {
            System.out.println(i.next().adEndDate);
            System.out.println(i.next().adStartDate);
            System.out.println(i.next().compPAL);
            System.out.println(i.next().compSymbol);
            System.out.println(i.next().compUrl);
        }

^also from this some of values are not known?! it throws a NoSuchElementException as well

once i get the results i pass the list to a javascript function to prin out on a html page, but everything comes out “undefined” 🙁

Answer 1

calling next like that incrememts the iterator with each call. Since you have 5 println calls, each time through the loop you go over 5 different items.

You want

for (SplashPage page : resultList) {
   System.out.println(page.adEndDate);
   ...
}

You also can define a toString method on your entity class and use that, to cut down the number of prints….