Swift - Data Types
Which type should you use in Swift to store a number with decimal precision and large range?
Which type should you use in Swift to store a number with decimal precision and large range?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Recall decimal number types
Float and Double store decimal numbers, but Double has higher precision and range.Step 2: Choose type with large range and precision
Double is preferred for decimal numbers needing more precision and range.Final Answer:
Double -> Option AQuick Check:
Decimal with precision = Double [OK]
Quick Trick: Double is more precise than Float for decimals [OK]
Common Mistakes:
- Choosing Int for decimals
- Using Bool for numbers
- Confusing Float and Double precision
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