learnFieldsAndMethods(c);
	public void addApplicationClass(JavaClass c) {		if (c == null)			return;		if (DEBUG_HIERARCHY)			System.out.println("Adding application class " + c.getClassName());		if (applicationClasses.add(c)) {			if (DEBUG_HIERARCHY && computed)				System.out.println("Need to recompute");			computed = false;		}	}