code: public static <T> T firstValue(Map<String, T> map) {
  
  		if (map == null || map.size() == 0) {
  			return null;
  		}
  
  		String firstKey = map.keySet().iterator().next();
  		return map.get(firstKey);
  	}
docs: Returns first value in map as given by the iterator or null if empty
  
  @param map to get first value out
  @param <T> object type of result
  @return first value in map or null if null or empty