--- title: An introduction to primary constructors in C#12 | daily.dev description: This post introduces the primary constructors feature in C#12 and discusses its use in reducing duplication in classes. It explains two approaches to use... canonical: https://daily.dev/posts/an-introduction-to-primary-constructors-in-c-12-gd7h0oklf twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: An introduction to primary constructors in C#12 | daily.dev og:description: This post introduces the primary constructors feature in C#12 and discusses its use in reducing duplication in classes. It explains two approaches to use... og:url: https://daily.dev/posts/an-introduction-to-primary-constructors-in-c-12-gd7h0oklf og:image: https://api.daily.dev/og/posts/gd7H0oKLF.png og:image:alt: An introduction to primary constructors in C#12 og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # An introduction to primary constructors in C#12 **[.NET Escapades](https://daily.dev/sources/andrewlock)** · 7 min read · 42 upvotes · 3 comments ## Summary This post introduces the primary constructors feature in C#12 and discusses its use in reducing duplication in classes. It explains two approaches to use primary constructors and how they work behind the scenes. The post also mentions the advantages and disadvantages of using primary constructors. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@alexvirlan** · 2 upvotes > That's kind of cute for small or simple classes. **@daoudabeye** · 0 upvotes > Very useful ... **@stuartgreig** · 0 upvotes > Primary constructors are one of those things once you've used you can never go back, it's so much cleaner ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#c](https://daily.dev/tags/c), [#.net](https://daily.dev/tags/.net), [#c#](https://daily.dev/tags/c#), [#.net-core](https://daily.dev/tags/.net-core) [View this post on daily.dev](https://daily.dev/posts/an-introduction-to-primary-constructors-in-c-12-gd7h0oklf) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"An introduction to primary constructors in C#12","url":"https://daily.dev/posts/an-introduction-to-primary-constructors-in-c-12-gd7h0oklf","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/an-introduction-to-primary-constructors-in-c-12-gd7h0oklf"},"datePublished":"2024-05-14T10:30:40.794Z","dateModified":"2024-05-14T10:30:38.848Z","description":"This post introduces the primary constructors feature in C#12 and discusses its use in reducing duplication in classes. It explains two approaches to use...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/6d2df7071cf945ed9e163ada6c7124a9?_a=AQAEuiZ","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/6d2df7071cf945ed9e163ada6c7124a9?_a=AQAEuiZ","isAccessibleForFree":true,"articleSection":".NET Escapades","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":".NET Escapades","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/74ebd66cf7e840b6b29913eae3da9189","url":"https://daily.dev/sources/andrewlock"},"commentCount":3,"discussionUrl":"https://daily.dev/posts/an-introduction-to-primary-constructors-in-c-12-gd7h0oklf","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":42},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":3}],"keywords":"c,.net,c#,.net-core","timeRequired":"PT7M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":".NET Escapades","item":"https://daily.dev/sources/andrewlock"},{"@type":"ListItem","position":3,"name":"An introduction to primary constructors in C#12"}]} {"@context":"https://schema.org","@type":"WebPage","@id":"https://daily.dev/posts/an-introduction-to-primary-constructors-in-c-12-gd7h0oklf","comment":[{"@type":"Comment","text":"That’s kind of cute for small or simple classes.","datePublished":"2024-05-17T06:58:10.805Z","url":"https://daily.dev/posts/gd7H0oKLF#c-gFbh5gv8E","author":{"@type":"Person","name":"Alex Virlan","url":"https://daily.dev/alexvirlan","image":"https://media.daily.dev/image/upload/s--SNisoF5U--/f_auto/v1715880033/avatars/avatar_npP8DZj9ckba6EHDqlNhq"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2}},{"@type":"Comment","text":"Very useful …","datePublished":"2024-08-10T15:16:19.513Z","url":"https://daily.dev/posts/gd7H0oKLF#c-mFjHjVwVB","author":{"@type":"Person","name":"Daouda Beye","url":"https://daily.dev/daoudabeye","image":"https://lh3.googleusercontent.com/a/ACg8ocL-YfHvjYpkNEDWJGcSure6mvtvWI7JhxGNtoTnPNB9xClEY1Sv=s96-c"}},{"@type":"Comment","text":"Primary constructors are one of those things once you’ve used you can never go back, it’s so much cleaner","datePublished":"2026-03-05T22:34:13.759Z","url":"https://daily.dev/posts/gd7H0oKLF#c-cNUF5enMm","author":{"@type":"Person","name":"Stuart Greig","url":"https://daily.dev/stuartgreig","image":"https://media.daily.dev/image/upload/s--FoVqUWgr--/f_auto/v1772633885/avatars/avatar_V6TOuZS8XXplYvc5hNLgE?_a=BAMAMiiu0"}}]} ```