Dart is an application programming language that’s easy to learn, easy to scale, and deployable everywhere. Google uses Dart to make very large apps. It is open-source software under a permissive free software license (modified BSD license).
Dart is an object-oriented, class defined, single inheritance language using C# style syntax that transcompiles optionally into JavaScript. It supports interfaces, mixins, abstract classes, reified generics, and optional typing.
Read Best Google Dart Interview Questions.
Here you can some good interview question that are asked in Google Dart Programming Language Interviews