Swift - Data Types
What is the output of the following Swift code?
let number = 0b1010_1101 print(number)
What is the output of the following Swift code?
medium📝 Predict Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand binary literals with underscores
Binary literals start with 0b and can include underscores for readability.Step 2: Convert binary 10101101 to decimal
Binary 10101101 equals decimal 173. Underscores are ignored.Final Answer:
173 -> Option AQuick Check:
Binary literal 0b1010_1101 = 173 [OK]
Quick Trick: Underscores in literals improve readability, ignored in value [OK]
Common Mistakes:
- Printing the literal as a string instead of its value
- Misinterpreting underscores as part of the number
- Confusing binary with decimal output
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