iOS Swift - Swift Language Essentials
Which of the following is the correct syntax to declare an array of integers in Swift?
Which of the following is the correct syntax to declare an array of integers in Swift?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall array declaration syntax
Arrays use square brackets [] with comma-separated values.Step 2: Compare options
Only var numbers = [1, 2, 3, 4] uses square brackets correctly.Final Answer:
var numbers = [1, 2, 3, 4] -> Option DQuick Check:
Arrays use square brackets = [1, 2, 3] [OK]
Quick Trick: Arrays use square brackets [] in Swift [OK]
Common Mistakes:
- Using curly braces for arrays
- Using parentheses which are tuples
- Using angle brackets which are invalid
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