@Override
public Object previous() {
final int i = myCurrentIndex - 1;
if (i < 0) throw new NoSuchElementException();
final Object previous = myElements[mySpeedSearch.convertIndexToModel(i)];
myCurrentIndex = i;
return previous;
}
@Override
public Object next() {
if (myCurrentIndex + 1 > myElements.length) throw new NoSuchElementException();
return myElements[mySpeedSearch.convertIndexToModel(myCurrentIndex++)];
}