{"id":9567,"date":"2024-03-14T09:50:52","date_gmt":"2024-03-14T09:50:52","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-is-a-key-value-pair-represented-in-c\/"},"modified":"2024-03-20T15:48:47","modified_gmt":"2024-03-20T15:48:47","slug":"how-is-a-key-value-pair-represented-in-c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-is-a-key-value-pair-represented-in-c\/","title":{"rendered":"How is a key-value pair represented in C#?"},"content":{"rendered":"<p>In C#, you can use the Dictionary<TKey, TValue> class to represent key-value pairs. The Dictionary class represents a collection of keys and values, where each key is unique and corresponds to a single value. Here is a simple example:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">using<\/span> System;\r\n<span class=\"hljs-keyword\">using<\/span> System.Collections.Generic;\r\n\r\n<span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Program<\/span>\r\n{\r\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">Main<\/span>()<\/span>\r\n    {\r\n        Dictionary&lt;<span class=\"hljs-built_in\">string<\/span>, <span class=\"hljs-built_in\">int<\/span>&gt; keyValuePairs = <span class=\"hljs-keyword\">new<\/span> Dictionary&lt;<span class=\"hljs-built_in\">string<\/span>, <span class=\"hljs-built_in\">int<\/span>&gt;();\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u6dfb\u52a0\u952e\u503c\u5bf9<\/span>\r\n        keyValuePairs.Add(<span class=\"hljs-string\">\"Alice\"<\/span>, <span class=\"hljs-number\">25<\/span>);\r\n        keyValuePairs.Add(<span class=\"hljs-string\">\"Bob\"<\/span>, <span class=\"hljs-number\">30<\/span>);\r\n        keyValuePairs.Add(<span class=\"hljs-string\">\"Charlie\"<\/span>, <span class=\"hljs-number\">35<\/span>);\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u8bbf\u95ee\u952e\u503c\u5bf9<\/span>\r\n        Console.WriteLine(keyValuePairs[<span class=\"hljs-string\">\"Alice\"<\/span>]); <span class=\"hljs-comment\">\/\/ \u8f93\u51fa 25<\/span>\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u904d\u5386\u6240\u6709\u952e\u503c\u5bf9<\/span>\r\n        <span class=\"hljs-keyword\">foreach<\/span> (<span class=\"hljs-keyword\">var<\/span> kvp <span class=\"hljs-keyword\">in<\/span> keyValuePairs)\r\n        {\r\n            Console.WriteLine(<span class=\"hljs-string\">$\"<span class=\"hljs-subst\">{kvp.Key}<\/span>: <span class=\"hljs-subst\">{kvp.Value}<\/span>\"<\/span>);\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>In the example above, we used the class Dictionary<string, int> to represent a collection of key-value pairs where the key is a string and the value is an integer. We added some key-value pairs and demonstrated how to access and iterate through them.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In C#, you can use the Dictionary class to represent key-value pairs. The Dictionary class represents a collection of keys and values, where each key is unique and corresponds to a single value. Here is a simple example: using System; using System.Collections.Generic; class Program { static void Main() { Dictionary&lt;string, int&gt; keyValuePairs = new Dictionary&lt;string, [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-9567","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How is a key-value pair represented in C#? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-is-a-key-value-pair-represented-in-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How is a key-value pair represented in C#?\" \/>\n<meta property=\"og:description\" content=\"In C#, you can use the Dictionary class to represent key-value pairs. 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