Gain insights into Dart's object-oriented features, explore extensions, enums, mixins, and asynchronous programming. Discover hands-on code practice to confidently apply Dart in your projects.

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Dart is a fully object-oriented, class-based, simple, and clean language. Google’s popular mobile framework, Flutter uses Dart language to implement high-quality native applications, so it’s recommended that you understand Flutter before beginning this course.

In this course, you will dive deep into Dart 2 language features while using interactive hands-on code playgrounds. This course will help you become confident with Dart extensions, enums, mixins, generics, libraries, asynchronous programming, class variables, callable classes, and generator functions.

By the end of this course, you will have a strong understanding of Dart principles, and you’ll be ready to start using this powerful language in your own projects.

Developing Web Applications with Dart

# Solution: Extension Properties

Let's revisit the problem stated in the previous challenge.

> You have a guest list `['Aman', 'Amit']`. Each guest can bring one additional person along with them. Implement an extension property `maxGuests` on `List` to calculate the maximum number of guests.

The problem reads that each guest can bring one person. By this summation, it is possible to have a maximum of two guests per entry on the guest list. By multiplying the size of `guestList` by 2  we will have the maximum number of guests that are allowed to the event.

In addition, calling `maxGuests` on `guestList` will provide the maximum number of guests.

Check out the implementation in the code snippet below.

In this section, you will explore the solution for the extension properties' challenge.

Introduction

Dart Extensions

Dart Enums

Dart Mixins

Dart Generics

Dart Libraries

Asynchronous Programming In Dart

Miscellaneous

Next Steps

Solution: Extension Properties

Solution: Extension Properties