/**
* Searches this list for the specified object and returns the index of the
* first occurrence.
*
* @param object
* the object to search for.
* @return the index of the first occurrence of the object, or -1 if it was
* not found.
*/
public virtual int indexOf(Object obj)
{
ListIterator <E> it = listIterator();
if (obj != null)
{
while (it.hasNext())
{
if (obj.equals(it.next()))
{
return(it.previousIndex());
}
}
}
else
{
while (it.hasNext())
{
if (it.next() == null)
{
return(it.previousIndex());
}
}
}
return(-1);
}
public bool hasPrevious()
{
return(iterator.previousIndex() >= start);
}
public int previousIndex()
{
return(iterator.previousIndex());
}
