infiniteZest.com: Test Your Knowledge: Swift

Test Your Knowledge: Swift - Variables and Constants

Tags: variables, constants, var, let, swift

Summary

Test on variables (var) and constants (let) in Swift

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Swift - Variables and Constants

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Swift - Variables and Constants

Review Answers for Questions in this Test

1. You want to enforce name of a product be not changed once it’s assigned. How do you declare productName?

2. Why would these statements produce an error?: let name; name = “infiniteZest.com”

3. Do these statements produce an error?: let name: String = “infiniteZest.com”; name = “infiniteZest.com”

4. Which of the following statements produce an error?

5. What is the default terminator of a print() function?

6. Which of the following is the preferred way in declaring a variable in Swift?

Article Series
Previous Article: Swift - Variables and Constants	This article is part of the Series: Swift - Introduction and Basics	Next Article: Swift - Comments and Header Docs

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