public Object next()
{
checkModCount();
if (!hasNext())
{
throw new java.util.NoSuchElementException("No element at index " + nextIndexJ + ".");
}
if (nextJ == null)
{
nextJ = parent.root.get(nextIndexJ);
}
Object value = nextJ.getValue();
current = nextJ;
currentIndex = nextIndexJ++;
nextJ = nextJ.next();
return(value);
}