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This chapter is from the book


In this hour, you learned about object-oriented programming and the Swift language. Swift will form the structure of your applications and give you tools to collect and react to user input and other changes. After reading this hour, you should understand how to make classes, declare objects, call methods, and use decision and looping statements to create code that implements more complex logic than a simple top-to-bottom workflow. You should also have an understanding of the iOS Playground and how it can be used to test code without needing to create a full iOS project.

Keep in mind that a typical book would spend multiple chapters on these topics, so our goal has been to give you a starting point that future hours will build on, not to define everything you’ll ever need to know about Swift and OOP.

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