Get the value for a given key
If the key doesn't exist yet in the hash map, set its value to defaultValue; otherwise, set its value to mergeValue(oldValue).
If the key doesn't exist yet in the hash map, set its value to defaultValue; otherwise, set its value to mergeValue(oldValue).
the newly updated value.
Tests whether this map contains a binding for a key.
(Changed in version 2.9.0) The behavior of scanRight
has changed. The previous behavior can be reproduced with scanRight.reverse.
(Changed in version 2.9.0) transpose
throws an IllegalArgumentException
if collections are not uniformly sized.
Set the value for a key
:: DeveloperApi :: A fast hash map implementation for nullable keys. This hash map supports insertions and updates, but not deletions. This map is about 5X faster than java.util.HashMap, while using much less space overhead.
Under the hood, it uses our OpenHashSet implementation.