Mon, 24 Nov 2003 09:32:20 -0800
I can see how this replace method is the same as putIfPresent(K key, V value, V
expectedValue), but how would this method work for the case where I don't care
what the current value is, but I want to replace it only if containsKey(key) is
true? (e.g. I want to atomically replace it regardless of its current value with
my NullObject without the side effect of adding the key it if it's been removed)?
Doug Lea wrote:
> boolean replace(K key, V oldValue, V newValue);