Swift quiz

Test your Swift knowledge with a free interactive quiz — 24 questions with answers and explanations. No signup needed to play.

What collection type is an ordered list in Swift?

1. What collection type is an ordered list in Swift?
2. What does `if let x = optional { }` do?
3. What is type inference in Swift?
4. What is the guard statement used for?
5. What is the difference between `let` and `var` in Swift?
6. What framework is used for building modern declarative UIs in Swift?
7. How does Swift do string interpolation?
8. What does the `func` keyword define?
9. What is a closure in Swift?
10. What is a protocol in Swift?
11. What is an optional in Swift?
12. Is Swift statically or dynamically typed?

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