public virtual bool hasNext()
{
checkMod();
while (nextNull())
{
ReferenceEntry e = entry;
int i = index;
while ((e == null) && (i > 0))
{
i--;
e = (ReferenceEntry)parent.data[i];
}
entry = e;
index = i;
if (e == null)
{
currentKey = null;
currentValue = null;
return(false);
}
nextKey = e.getKey();
nextValue = e.getValue();
if (nextNull())
{
entry = entry.next();
}
}
return(true);
}
protected virtual ReferenceEntry nextEntry()
{
checkMod();
if (nextNull() && !hasNext())
{
throw new java.util.NoSuchElementException();
}
previous = entry;
entry = entry.next();
currentKey = nextKey;
currentValue = nextValue;
nextKey = null;
nextValue = null;
return(previous);
}