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Test: Swift - Floating Point Types

4. Which of the following represents 255 in Swift?



Results
Congratulations! Correct Answer.
You Answered: None. If you took the test, your answer will show up here.
Correct Answer: let num = 25_5; let binNum = 0b11111111; let binNum = 0b1111_1111; let hexNum = 0xFF;
Explanation
Even though you might not choose to write 255 as 25_5, it is a valid representation. The underscore can be used to separate the digits. So, they all represent 255.
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Question 4 of 5


Test is Based on this Article
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This article talks about decimal numbers in Swift, including Float, Double, and CGFloat. Also talks about Binary, Octal, and Hexadecimal representations.
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Test on Float and Double types in Swift, as well as binary, octal, and hex representations.

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