Swift - Data Types
Which of these is a valid tuple declaration in Swift?
Which of these is a valid tuple declaration in Swift?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify tuple syntax
Tuples use parentheses () with comma-separated values, like ("Alice", 30).Step 2: Check options
let person = ("Alice", 30) uses parentheses correctly. var person = ["Alice", 30] uses square brackets (array), C uses braces (invalid), D uses angle brackets (invalid).Final Answer:
let person = ("Alice", 30) -> Option CQuick Check:
Tuple syntax = Parentheses [OK]
Quick Trick: Tuples always use parentheses () [OK]
Common Mistakes:
- Using square brackets instead of parentheses
- Using braces or angle brackets
- Confusing tuples with arrays
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