{"id":4871,"date":"2024-03-14T02:03:16","date_gmt":"2024-03-14T02:03:16","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-define-and-use-generic-classes-and-methods-in-c\/"},"modified":"2025-07-31T14:38:45","modified_gmt":"2025-07-31T14:38:45","slug":"how-to-define-and-use-generic-classes-and-methods-in-c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-define-and-use-generic-classes-and-methods-in-c\/","title":{"rendered":"C# Generics Tutorial"},"content":{"rendered":"<p>In C#, generic classes and methods allow you to write more flexible and reusable code. Here is an example of how to define and use generic classes and methods.<\/p>\n<p>Define a generic class.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">GenericClass<\/span>&lt;<span class=\"hljs-title\">T<\/span>&gt;\r\n{\r\n    <span class=\"hljs-keyword\">private<\/span> T _value;\r\n\r\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-title\">GenericClass<\/span>(<span class=\"hljs-params\">T <span class=\"hljs-keyword\">value<\/span><\/span>)<\/span>\r\n    {\r\n        _value = <span class=\"hljs-keyword\">value<\/span>;\r\n    }\r\n\r\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> T <span class=\"hljs-title\">GetValue<\/span>()<\/span>\r\n    {\r\n        <span class=\"hljs-keyword\">return<\/span> _value;\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>Utilizing generic classes:<\/p>\n<pre class=\"post-pre\"><code>GenericClass&lt;<span class=\"hljs-built_in\">int<\/span>&gt; intGenericClass = <span class=\"hljs-keyword\">new<\/span> GenericClass&lt;<span class=\"hljs-built_in\">int<\/span>&gt;(<span class=\"hljs-number\">10<\/span>);\r\nConsole.WriteLine(intGenericClass.GetValue()); <span class=\"hljs-comment\">\/\/ \u8f93\u51fa\uff1a10<\/span>\r\n\r\nGenericClass&lt;<span class=\"hljs-built_in\">string<\/span>&gt; stringGenericClass = <span class=\"hljs-keyword\">new<\/span> GenericClass&lt;<span class=\"hljs-built_in\">string<\/span>&gt;(<span class=\"hljs-string\">\"Hello\"<\/span>);\r\nConsole.WriteLine(stringGenericClass.GetValue()); <span class=\"hljs-comment\">\/\/ \u8f93\u51fa\uff1aHello<\/span>\r\n<\/code><\/pre>\n<p>Define generic method:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">GenericMethod<\/span>\r\n{\r\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> T <span class=\"hljs-title\">FindMax<\/span>&lt;<span class=\"hljs-title\">T<\/span>&gt;(<span class=\"hljs-params\">T[] array<\/span>) <span class=\"hljs-keyword\">where<\/span> T : IComparable<\/span>\r\n    {\r\n        T max = array[<span class=\"hljs-number\">0<\/span>];\r\n        <span class=\"hljs-keyword\">foreach<\/span> (T item <span class=\"hljs-keyword\">in<\/span> array)\r\n        {\r\n            <span class=\"hljs-keyword\">if<\/span> (item.CompareTo(max) &gt; <span class=\"hljs-number\">0<\/span>)\r\n            {\r\n                max = item;\r\n            }\r\n        }\r\n        <span class=\"hljs-keyword\">return<\/span> max;\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>Utilizing generic methods:<\/p>\n<pre class=\"post-pre\"><code>GenericMethod genericMethod = <span class=\"hljs-keyword\">new<\/span> GenericMethod();\r\n<span class=\"hljs-built_in\">int<\/span>[] intArray = { <span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">3<\/span>, <span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">5<\/span> };\r\nConsole.WriteLine(genericMethod.FindMax(intArray)); <span class=\"hljs-comment\">\/\/ \u8f93\u51fa\uff1a5<\/span>\r\n\r\n<span class=\"hljs-built_in\">string<\/span>[] stringArray = { <span class=\"hljs-string\">\"apple\"<\/span>, <span class=\"hljs-string\">\"orange\"<\/span>, <span class=\"hljs-string\">\"banana\"<\/span> };\r\nConsole.WriteLine(genericMethod.FindMax(stringArray)); <span class=\"hljs-comment\">\/\/ \u8f93\u51fa\uff1aorange<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>In C#, generic classes and methods allow you to write more flexible and reusable code. Here is an example of how to define and use generic classes and methods. Define a generic class. public class GenericClass&lt;T&gt; { private T _value; public GenericClass(T value) { _value = value; } public T GetValue() { return _value; } [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[4151,4485,381,4856,4857],"class_list":["post-4871","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-net-development","tag-c-generics","tag-c-programming","tag-generic-classes","tag-generic-methods"],"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>C# Generics Tutorial - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to define and use C# generics to write flexible, reusable code. 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Complete tutorial with examples for beginners and developers.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-define-and-use-generic-classes-and-methods-in-c\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-14T02:03:16+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-31T14:38:45+00:00\" \/>\n<meta name=\"author\" content=\"Emily Johnson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Emily Johnson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-define-and-use-generic-classes-and-methods-in-c\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-define-and-use-generic-classes-and-methods-in-c\/\"},\"author\":{\"name\":\"Emily Johnson\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3b041b19cffc258705478ecfab895378\"},\"headline\":\"C# Generics Tutorial\",\"datePublished\":\"2024-03-14T02:03:16+00:00\",\"dateModified\":\"2025-07-31T14:38:45+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-define-and-use-generic-classes-and-methods-in-c\/\"},\"wordCount\":45,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"keywords\":[\".NET development\",\"C# generics\",\"C++ Programming\",\"generic classes\",\"generic methods\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-define-and-use-generic-classes-and-methods-in-c\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-to-define-and-use-generic-classes-and-methods-in-c\/\",\"name\":\"C# Generics Tutorial - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2024-03-14T02:03:16+00:00\",\"dateModified\":\"2025-07-31T14:38:45+00:00\",\"description\":\"Learn how to define and use C# generics to write flexible, reusable code. 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