Which of the following Kotlin for loop syntaxes correctly uses withIndex() to iterate over a list items?

easy📝 Syntax Q3 of 15

Kotlin - Loops and Ranges

Which of the following Kotlin for loop syntaxes correctly uses withIndex() to iterate over a list items?

Afor ((index, item) in items.withIndex()) { println("$index: $item") }

Bfor (index, item in items.withIndex()) { println("$index: $item") }

Cfor (index; item in items.withIndex()) { println("$index: $item") }

Dfor (index item in items.withIndex()) { println("$index: $item") }

Step-by-Step Solution

Solution:

Step 1: Check syntax for destructuring pairs
Correct syntax uses parentheses and comma: for ((index, item) in items.withIndex()).
Step 2: Validate loop body
Printing "$index: $item" is valid and shows index and item.
Final Answer:
for ((index, item) in items.withIndex()) { println("$index: $item") } -> Option A
Quick Check:
Correct destructuring syntax = for ((index, item) in items.withIndex()) { println("$index: $item") } [OK]

Quick Trick: Use parentheses and comma to destructure pairs [OK]

Common Mistakes:

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