Actually, the java example is better, since the lambda is lazily evaluated. putIfAbsent will always try to construct it's second argument even if it isn't in the map. However, that doesn't mean you can't use it in kotlin as well.
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Actually, the java example is better, since the lambda is lazily evaluated.
putIfAbsentwill always try to construct it's second argument even if it isn't in the map. However, that doesn't mean you can't use it in kotlin as well.