Why? Because of crap like this: ```java final Map<Long, List<Antwort>> antwortenMap = new HashMap<>(); anwortenIdMap.entrySet().forEach(longListEntry -> antwortenMap.put( longListEntry.getKey(), alleAntworten.stream() .filter(antwort -> longListEntry.getValue().contains(antwort.getId())) .collect(toList()))); ```
Why?
Because of crap like this: