Kotlin - Control Flow as Expressions
You want to assign a grade based on score using if as an expression. Which code correctly assigns "A" if score >= 90, "B" if score >= 80, else "C"?
You want to assign a grade based on score using if as an expression. Which code correctly assigns "A" if score >= 90, "B" if score >= 80, else "C"?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand nested if expressions
Kotlin allows nested if expressions to handle multiple conditions.Step 2: Check syntax correctness
val grade = if (score >= 90) "A" else if (score >= 80) "B" else "C" correctly nests if expressions with proper parentheses and else branches.Final Answer:
val grade = if (score >= 90) "A" else if (score >= 80) "B" else "C" -> Option CQuick Check:
Nested if expressions need parentheses and else branches [OK]
Quick Trick: Use nested if expressions with else for multiple conditions [OK]
Common Mistakes:
MISTAKES- Missing parentheses in nested if
- Omitting else branch
- Incorrect if syntax without parentheses
Master "Control Flow as Expressions" in Kotlin
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