<H1>looping</H1>
<I>What's the problem here?</I>

Collection<Integer> rows = Arrays.asList(1, 2);
Collection<String> positions = Arrays.asList("A", "B", "C", "D");

for(Iterator<Integer> row = rows.iterator(); row.hasNext();)
{
    for(Iterator<String> position = positions.iterator(); position.hasNext();)
    {
        System.out.println("Seat " + row.next() + position.next());
    }
}
