Swift - Collections
Which of the following is the correct syntax to insert the value 5 at index 1 in a Swift array named
numbers?Which of the following is the correct syntax to insert the value 5 at index 1 in a Swift array named numbers?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall insert syntax in Swift
The insert method uses the syntax insert(_:at:) where the first argument is the element and second is the index.Step 2: Match syntax with options
numbers.insert(5, at: 1) matches the correct syntax: numbers.insert(5, at: 1).Final Answer:
numbers.insert(5, at: 1) -> Option AQuick Check:
insert(_:at:) syntax = insert(element, at: index) [OK]
Quick Trick: insert(_:at:) needs element first, then index [OK]
Common Mistakes:
- Swapping element and index order
- Using append() with index
- Using non-existent methods like insertAt or add
Master "Collections" in Swift
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