- override
Removes key
and its associated value, if present, from the map.
Returns the value associated with key
before it was removed.
Returns null
if key
was not in the map.
Note that values can be null
and a returned null
value doesn't
always mean that the key was absent.
Source
@override
remove(Object key) {
_ensureIsntReservedKey(key);
_values.remove(key);
}