Differences between Hashtable vs Dictonary vs ConcurrentDictionary vs ImmutableDictionary

added by DotNetKicks
10/3/2021 6:59:22 AM

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I'm very much enjoying David Fowler's tweets, and since he doesn't have a blog, I will continue to share and expand on his wisdom so that it might reach a larger audience. He points out that ".NET has 4 built-in dictionary/map types [and] there's no guidance on when to use what, mostly individual documentation on each implementation."


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