Map.get
which could be replaced with getOrDefault
or computeIfAbsent
.
aValue = map.get(aKey); if (aValue == null) { aValue = "none"; }
List<String> list = map.get(key); if (list == null) { list = new ArrayList<>(); map.put(key, list); }
This conversion is available since Java 8 only.
New in 2016.3