Getting started with Dart Null Safety : A beginners guide

Getting started with Dart Null Safety : A beginners guide

In this article, we will be exploring the Dart language features and all there is to Null Safety in Dart, which the underlying language for the flutter framework, and also go over how to use it.

Dart Null Safety: The first announcement of the Dart null safety as a tech preview was first made early in June this year, another followed it in the later parts of October.

In this article, we will be exploring the Dart language features and all there is to Null Safety in Dart, which the underlying language for the flutter framework, and also go over how to use it.

Dart Null Safety

Null safety is a relatively modern productivity feature that helps us avoid cases of null exceptions in our applications, These exceptions are a set of bugs that are particularly not easily debugged. 

Null safety is a great milestone for the language and it also enables performance improvements and it was introduced in Dart v2.9 as a Language feature.

In dart v2.9 all types are non-nullable by default and values that can be nullable have to be specified.

Flutter Dart Null Safety

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Null safety in Dart

Dart is being fitted with sound null safety, helping developers avoid a class of bugs that can be hard to spot. “Sound” null safety means that Dart is 100% sure that non-nullable variables cannot be null. Dart compilers and runtimes can optimize away internal null checks, so apps can be faster and smaller. Try Out the largest Change Made In Dart : Sound Null Safety. Null safety in Dart