How Do I Efficiently Iterate Over Dictionaries in C#?

Optimizing Dictionary Traversal in C#

C# offers multiple ways to traverse dictionaries; however, the most efficient and readable method involves simultaneous access to both keys and values.

The best practice for iterating through a dictionary utilizes a foreach loop and a KeyValuePair variable:

<code class="language-csharp">foreach (KeyValuePair<string, string> entry in myDictionary)
{
    // Access the key via entry.Key
    // Access the value via entry.Value
}</code>

This foreach loop automatically handles iteration through all key-value pairs. Each pair is assigned to the entry variable, a KeyValuePair object providing direct access to both Key and Value properties.

This approach guarantees consistent and efficient dictionary traversal in C#. Its clarity and maintainability make it the superior method for handling dictionary iterations.

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