Runtime.getRuntime().gc();
System.runFinalization(); System.gc();
		public void clear() {			//Log.log(Log.LEVEL_TRACE, MODULE, Runtime.getRuntime().freeMemory() + " - " + Runtime.getRuntime().totalMemory());			// flush images before clearing hastables for quicker deletion			Iterator it = values().iterator();			while (it.hasNext()) {				Image i = (Image) it.next();				if (i != null) {					i.flush();				}			}			super.clear();			touchOrder.clear();			Runtime.getRuntime().gc();			//Log.log(Log.LEVEL_TRACE, MODULE, Runtime.getRuntime().freeMemory() + " - " + Runtime.getRuntime().totalMemory());		}