Which of the following is the correct syntax for destructuring a map in Kotlin?

easy📝 Syntax Q12 of 15

Kotlin - Collections Fundamentals

Which of the following is the correct syntax for destructuring a map in Kotlin?
val map = mapOf("a" to 1, "b" to 2)

Afor (key, value in map) { println(key + value) }

Bfor ((key, value) in map) { println(key + value) }

Cfor [key, value] in map { println(key + value) }

Dfor {key, value} in map { println(key + value) }

Step-by-Step Solution

Solution:

Step 1: Recall Kotlin destructuring syntax
Kotlin requires parentheses around variables when destructuring: for ((key, value) in map).
Step 2: Check each option
Only for ((key, value) in map) { println(key + value) } uses parentheses correctly; others use commas without parentheses or wrong brackets.
Final Answer:
for ((key, value) in map) { println(key + value) } -> Option B
Quick Check:
Parentheses needed for destructuring [OK]

Quick Trick: Use parentheses around variables in destructuring [OK]

Common Mistakes:

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