iOS Swift - Swift Language Essentials
You want to store a user's age, height in meters, full name, and whether they are a student. Which Swift data types should you use for these variables respectively?
You want to store a user's age, height in meters, full name, and whether they are a student. Which Swift data types should you use for these variables respectively?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Match each data to its type
Age is a whole number -> Int, height with decimals -> Double, full name is text -> String, student status true/false -> Bool.Step 2: Verify option matches order
Int, Double, String, Bool lists Int, Double, String, Bool in that order, matching the variables correctly.Final Answer:
Int, Double, String, Bool -> Option CQuick Check:
Whole number, decimal, text, true/false [OK]
Quick Trick: Match data meaning: whole, decimal, text, true/false [OK]
Common Mistakes:
- Mixing Int and Double
- Using Bool for text
- Confusing order of types
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