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Learning Dart by Ivo Balbaert, Dzenan Ridjanovic

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Chapter 3. Structuring Code with Classes and Libraries

In this chapter we will look at the object-oriented nature of Dart. If you have prior knowledge of an OO language, most of this chapter will feel familiar. Nonetheless, coding classes in Dart is more succinct when introducing some nice new features such as factory constructors and generalizing the use of interfaces. If you come from the JavaScript world, you will start to realize that classes can really structure your application.

Data mostly comes in collections. Dart has some neat classes to work with collections, and they can be used for any type of collections. That's why they are called generic. As soon as you get a few code files in your project, structuring them by making libraries becomes ...

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