--- title: Class Modifiers in Dart: Sealed, Interface, Base | daily.dev description: This post discusses the changes and improvements to class modifiers in Dart 3. It addresses the issues with class modifiers before Dart 3 and introduces the... canonical: https://daily.dev/posts/class-modifiers-in-dart-sealed-interface-base-0m4dl6gai twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Class Modifiers in Dart: Sealed, Interface, Base | daily.dev og:description: This post discusses the changes and improvements to class modifiers in Dart 3. It addresses the issues with class modifiers before Dart 3 and introduces the... og:url: https://daily.dev/posts/class-modifiers-in-dart-sealed-interface-base-0m4dl6gai og:image: https://api.daily.dev/og/posts/0m4dl6gaI.png og:image:alt: Class Modifiers in Dart: Sealed, Interface, Base og:image:width: 1200 og:image:height: 630 og:locale: en --- [QuickBird Studios](https://daily.dev/sources/quickbirdstudios) [Read post](https://api.daily.dev/r/0m4dl6gaI) # [Class Modifiers in Dart: Sealed, Interface, Base](https://api.daily.dev/r/0m4dl6gaI "Go to post") This post discusses the changes and improvements to class modifiers in Dart 3\. It addresses the issues with class modifiers before Dart 3 and introduces the new modifiers. The post also highlights the benefits and complexities of using class modifiers in Dart code. [#flutter](/tags/flutter "Check all #flutter posts")[#dart](/tags/dart "Check all #dart posts") Jun 09, 2024•7m read time•From [quickbirdstudios.com](https://api.daily.dev/r/0m4dl6gaI "quickbirdstudios.com") [](https://api.daily.dev/r/0m4dl6gaI "Go to post") Table of contents [The Problem](https://api.daily.dev/r/0m4dl6gaI "The Problem")[Class Modifiers 📦](https://api.daily.dev/r/0m4dl6gaI "Class Modifiers 📦")[Complexity 🤯](https://api.daily.dev/r/0m4dl6gaI "Complexity 🤯")[Why? 🤔](https://api.daily.dev/r/0m4dl6gaI "Why? 🤔")[Conclusion](https://api.daily.dev/r/0m4dl6gaI "Conclusion") 10 Impressions1 Upvote Comment Bookmark Copy Share your thoughtsPost [](https://daily.dev/sources/quickbirdstudios) [QuickBird Studios](https://daily.dev/sources/quickbirdstudios "https://daily.dev/sources/quickbirdstudios") 4 Followers • 32 Upvotes #### Would you recommend this post? 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