[Solved] Find the error in this Kotlin when expression:val z: Any = 10 val result = when (z) { in 1..5 -> "Small" in 6..10 -> "Medium" is String -> "Text" else -> "Unknown" } | Kotlin

Kotlin - Control Flow as Expressions

Find the error in this Kotlin when expression:

val z: Any = 10
val result = when (z) {
  in 1..5 -> "Small"
  in 6..10 -> "Medium"
  is String -> "Text"
  else -> "Unknown"
}

AThe ranges 1..5 and 6..10 cannot be used with Any type.

BThere is no error; the code is correct.

CThe <code>when</code> expression is missing an else branch.

DThe <code>when</code> expression mixes range and type checks incorrectly.

Step-by-Step Solution

Solution:

Step 1: Analyze type compatibility with ranges
Ranges check if value is in range; since z is Any but holds Int 10, range checks work.
Step 2: Check mixing of range and type checks in when
Kotlin allows mixing range and type checks in when expressions.
Final Answer:
There is no error; the code is correct. -> Option B
Quick Check:
Mixing ranges and types in when is allowed = C [OK]

Quick Trick: You can mix range and type checks in when expressions [OK]

Common Mistakes:

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