Collection ret = new ArrayList();  String categories = getCategoriesAsString(); if( categories != null){ StringTokenizer st = new StringTokenizer(categories,","); while(st.hasMoreTokens()) { ret.add(st.nextToken().trim()); } }
Collection ret = getCategoriesFromString(getCategoriesAsString());
	public Collection getCategories() {		Collection ret = new ArrayList();				String categories = getCategoriesAsString();		if( categories != null){			StringTokenizer st = new StringTokenizer(categories,",");			while(st.hasMoreTokens()) {				ret.add(st.nextToken().trim());			}		}		return ret;	}