[Solved] What is the output of the following Kotlin code?val x = 3 val result = when (x) { 1 -> "One" 2 -> "Two" 3 -> "Three" else -> "Unknown" } println(result) | Kotlin

Kotlin - Control Flow as Expressions

What is the output of the following Kotlin code?

val x = 3
val result = when (x) {
  1 -> "One"
  2 -> "Two"
  3 -> "Three"
  else -> "Unknown"
}
println(result)

ATwo

BThree

COne

DUnknown

Step-by-Step Solution

Solution:

Step 1: Match the value of x in when expression
The value of x is 3, so the branch with 3 -> "Three" matches.
Step 2: Return the matched branch value
The when expression returns "Three" which is printed.
Final Answer:
Three -> Option B
Quick Check:
when match for 3 = "Three" [OK]

Quick Trick: when returns matched branch value, printed output matches it [OK]

Common Mistakes:

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