[Solved] Identify the error in this Kotlin code:val map = mutableMapOf("a" to 1, "b" to 2) map["c"] = 3 map = mapOf("x" to 10) | Kotlin

Kotlin - Collections Fundamentals

Identify the error in this Kotlin code:

val map = mutableMapOf("a" to 1, "b" to 2)
map["c"] = 3
map = mapOf("x" to 10)

ACannot add new key to mutableMapOf

BSyntax error in mapOf creation

CCannot assign a new map to a val variable

DNo error, code runs fine

Step-by-Step Solution

Solution:

Step 1: Understand val variable behavior
Variables declared with val cannot be reassigned to a new object.
Step 2: Analyze code reassignment
Code tries to assign a new map to val variable, causing error.
Final Answer:
Cannot assign a new map to a val variable -> Option C
Quick Check:
val variables cannot be reassigned = B [OK]

Quick Trick: Use var if you want to reassign a map variable [OK]

Common Mistakes:

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