java/hashmap

		HashMap<String, HashMap<String, Double>> collector = new HashMap<String, HashMap<String, Double>>();
		collector.put("Artist", new HashMap<String, Double>(){{put("links", 5.0);}});
		System.out.println(collector);
		double value = collector.get("Artist").get("links");
		value = value + 1;
		//collector.put("Artist", new HashMap<String, Double>(){{put("links", value);}});
		collector.get("Artist").put("links", value);
		System.out.println(collector);