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Optionals: Programming for Non-Programmers: iOS 11 and Swift
Optionals: Programming for Non-Programmers: iOS 11 and Swift

Optionals are a special type of variable that can possibly be nil, or have no value. Learn why optionals exist and how to use them in your code.

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Skill Level Beginner
3h 13m
Duration
21,094
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Skills covered in this course
Developer Mobile Apps Programming Languages Swift iOS

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