const, final, dynamic, var... when and why? | Dart & Flutter tutorial

David Serrano explains the differences between const, final, dynamic, and var in Dart and when to use each.

One of the first things explained in most tutorials is the declaration of variables. In Dart, you could declare those with const, final, dynamic, var, and by using the type itself; but what are their differences and when should we use each one? In this video I'll try to define each of them and give you some tips to know which one to use depending on the context. 🔔 Subscribe to my channel to see more videos like this: youtube.com/channel/UCnpRX7bDrgOajeuhlgJ3wyA?sub_confirmatio… 📖 Useful resources: - "Flutter: Performance analysis of `const` constructor" by Crizant Lai: medium.com/nerd-for-tech/flutter-performance-analysis-of-con… - Dart language tour: dart.dev/guides/language/language-tour 🔤 Text version of the video: davidserrano.io/const-final-dynamic-var-when-and-why-dart-fl… 🔵 Follow me for more content like this: davidserrano.io/ twitter.com/svprdga hashnode.com/@svprdga dev.to/svprdga mastodon.social/@svprdga ⏳ Timecodes: 00:00 - Introduction 00:28 - var 01:58 - dynamic 03:00 - final 03:36 - const 04:24 - const in the context of Flutter 04:56 - Final words