for (Iterator i = queue.iterator(); i.hasNext();) {
for (Iterator i = map.values().iterator(); i.hasNext();) {
		public void flush() {			DataPage page;			for (Iterator i = queue.iterator(); i.hasNext();) {				page = (DataPage) i.next();				if (page.isDirty())					try {						page.write();						fileHeader.write();					} catch (IOException ioe) {						ioe.printStackTrace();					}			}		}