You want to print numbers from 10 down to 1 using a loop that runs at least once. Which Kotlin code is correct?

hard📝 Application Q8 of 15

Kotlin - Loops and Ranges

Avar i = 10 do { print(i) i-- } while (i > 0)

Bvar i = 10 while (i > 10) { print(i) i-- }

Cvar i = 10 while i > 0 { print(i) i-- }

Dvar i = 10 do { print(i) i-- } while i > 0

Step-by-Step Solution

Solution:

Step 1: Identify loop type that runs at least once
Only do-while guarantees the body runs once.
Step 2: Check syntax correctness
var i = 10 do { print(i) i-- } while (i > 0) uses correct do-while syntax with parentheses and decrements i.
Final Answer:
var i = 10 do { print(i) i-- } while (i > 0) -> Option A
Quick Check:
do-while with parentheses and decrement = A [OK]

Quick Trick: Use do-while with parentheses for guaranteed one run [OK]

Common Mistakes:

MISTAKES

Master "Loops and Ranges" in Kotlin

9 interactive learning modes - each teaches the same concept differently

Want More Practice?

15+ quiz questions · All difficulty levels · Free

More Kotlin Quizzes