[Solved] What will the following Kotlin code print?val score = 85 val grade = when (score) { in 90..100 -> "A" in 80..89 -> "B" else -> "C" } println(grade) | Kotlin

Kotlin - Control Flow as Expressions

What will the following Kotlin code print?

val score = 85
val grade = when (score) {
  in 90..100 -> "A"
  in 80..89 -> "B"
  else -> "C"
}
println(grade)

AA

BError

CC

DB

Step-by-Step Solution

Solution:

Step 1: Check the value of score and matching range
Score is 85, which falls in the range 80..89.
Step 2: Determine the matched branch in when
The branch in 80..89 returns "B".
Final Answer:
B -> Option D
Quick Check:
Range matching in when = B [OK]

Quick Trick: Use ranges in when for concise conditions [OK]

Common Mistakes:

MISTAKES

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