[Solved] Identify the issue in this Kotlin code snippet:val map = mapOf("x" to 10) for (x, y in map) { println(x + y) } | Kotlin

Kotlin - Collections Fundamentals

Identify the issue in this Kotlin code snippet:

val map = mapOf("x" to 10)
for (x, y in map) {
  println(x + y)
}

AThe map is empty, so loop won't execute.

BUsing immutable map prevents iteration.

CThe '+' operator cannot be used with strings and integers.

DMissing parentheses around variables in the for loop destructuring.

Step-by-Step Solution

Solution:

Step 1: Check loop syntax
Destructuring requires parentheses: for ((x, y) in map).
Step 2: Identify error
Code uses for (x, y in map) which is invalid syntax.
Final Answer:
Missing parentheses around variables in the for loop destructuring. -> Option D
Quick Check:
Parentheses are mandatory for destructuring in loops [OK]

Quick Trick: Always use parentheses for destructuring in for loops [OK]

Common Mistakes:

MISTAKES

Master "Collections Fundamentals" in Kotlin

9 interactive learning modes - each teaches the same concept differently

More Kotlin Quizzes

Identify the issue in this Kotlin code snippet: