Iterator iter= fLRUList.iterator();
Iterator iter= new ArrayList(fLRUList).iterator();
	private void removeDeletedWorkingSets() {		Iterator iter= fLRUList.iterator();		while (iter.hasNext()) {			IWorkingSet workingSet= (IWorkingSet)iter.next();			if (SearchUI.findWorkingSet(workingSet.getName()) == null)				fLRUList.remove(workingSet);		}	}