关于[How to Get an Item by Index From Dictionary in C#]的摘要:

In this article, we’re going to explore accessing Dictionary items by index in C# and its performance considerations. The Dictionary generic class provides the ability to map keys to values. Retrieving a value by using its key is quite fast, almost O(1) thanks to the implementation of Dictionary class as a hash table. Every element of Dictionary is a key-value pair. While it is optimum to access elements via the key, sometimes we need to access Dictionary items by index. Let’s see how to do that.

原文地址: https://code-maze.com/csharp-get-item-by-index-from-dictionary/

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