[Solved] Which of the following Kotlin code snippets correctly uses if as an expression? — Ans: val result = if (score > 50) "Pass" else "Fail" | Kotlin

Kotlin - Control Flow as Expressions

Which of the following Kotlin code snippets correctly uses if as an expression?

Aval result = if (score > 50) "Pass" else "Fail"

Bval result = if score > 50 then "Pass" else "Fail"

Cval result = if (score > 50) { "Pass" }

Dval result = if (score > 50) "Pass"

Step-by-Step Solution

Solution:

Step 1: Check syntax correctness
val result = if (score > 50) "Pass" else "Fail" uses correct Kotlin syntax with parentheses and else branch.
Step 2: Identify errors in other options
val result = if score > 50 then "Pass" else "Fail" uses invalid keywords 'then'. val result = if (score > 50) { "Pass" } misses else branch. val result = if (score > 50) "Pass" misses else branch too.
Final Answer:
val result = if (score > 50) "Pass" else "Fail" -> Option A
Quick Check:
If expression needs else branch for assignment [OK]

Quick Trick: Always include else when using if as expression [OK]

Common Mistakes:

MISTAKES

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Which of the following Kotlin code snippets correctly uses if as an expression?