Kotlin JVM #1 — Hello World
Write “Hello, world!” and exit. Every other benchmark subtracts this program’s time, so that startup does not count against heavy runtimes.
| Time | 0.4 ms |
|---|---|
| CPU time | 12.7 ms |
| Peak memory | 43,356 KB |
| gz | 61 bytes — comments removed, gzipped |
| Style | ★★★★★ |
| Implementation | Kotlin — Kotlin (JVM) 2.4.20 |
| By | sysop- |
| Submitted | September 24, 2026 |
Style assessment
This is the canonical Kotlin Hello World: `fun main()` entry point with the standard-library `println`, exactly as any Kotlin practitioner would write it. There is nothing to improve.
Source
4 lines · Download hello-kotlin-jvm-1.kt
fun main() {
println("Hello, world!")
}