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Test: Swift - Introduction to Optionals
Welcome to the Test: Swift - Introduction to Optionals.
Summary
This is a test on basic concepts of Optionals in Swift.
Options
This test contains 5 questions.

You will see the test score and be able to review the answers at the end of the test. Would you also like to review the answers after each question?



Good luck with the test.

Welcome


Test is Based on this Article
icon-swift-article.jpg
Tags: optionals, swift
This article talks about the purpose of Optionals in Swift and how to declare them in your code.
icon-swift-test.jpg
Tags: optionals, swift
This is a test on basic concepts of Optionals in Swift.

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Summary of three operators (?, !, ??) used in optionals in Swift.
                                                                                                                                                                                                             
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