Swift - Operators and Expressions
Which of the following Swift expressions correctly checks if a variable
num lies between 5 and 15 inclusive?Which of the following Swift expressions correctly checks if a variable num lies between 5 and 15 inclusive?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand inclusive range
Inclusive means including 5 and 15, so use <= and >= operators.Step 2: Combine conditions correctly
Use logical AND (&&) to ensure num is both >=5 and <=15.Final Answer:
5 <= num && num <= 15 -> Option CQuick Check:
Inclusive range uses <= and >= with && [OK]
Quick Trick: Use && with <= and >= for inclusive range [OK]
Common Mistakes:
- Using > and < instead of >= and <=
- Using || instead of && for range checks
- Confusing inclusive with exclusive ranges
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