[Solved] What will be the output of this Kotlin code?fun printAny(value: Any) { when(value) { is String -> println("String: $value") is Int -> println("Int:... | Kotlin

Kotlin - Data Types

What will be the output of this Kotlin code?

fun printAny(value: Any) {
    when(value) {
        is String -> println("String: $value")
        is Int -> println("Int: $value")
        else -> println("Unknown type")
    }
}

printAny(10)
printAny("hello")
printAny(3.14)

AInt: 10 Unknown type String: hello

BUnknown type Unknown type Unknown type

CCompilation error

DInt: 10 String: hello Unknown type

Step-by-Step Solution

Solution:

Step 1: Analyze when expression branches
The function checks if value is String, Int, or else.
Step 2: Check each call
printAny(10) matches Int branch, prints "Int: 10". printAny("hello") matches String branch, prints "String: hello". printAny(3.14) matches else branch, prints "Unknown type".
Final Answer:
Int: 10 String: hello Unknown type -> Option D
Quick Check:
Type checks with when = correct output [OK]

Quick Trick: Use when with is to check Any type at runtime [OK]

Common Mistakes:

MISTAKES

Mixing order of outputs
Expecting 3.14 to match Int or String
Assuming compilation error due to when

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What will be the output of this Kotlin code?

Step 1: Analyze when expression branches

Step 2: Check each call

Final Answer:

Quick Check:

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