import java.util.UUID
/*
Generate a UUID v4 (random-based) in idiomatic Kotlin.
Kotlin does not have its own UUID generator, but it uses Java's
built-in java.util.UUID class, which provides:
- UUID.randomUUID() → RFC 4122 version 4 UUID
- Fast, reliable, and standard across JVM languages
*/
/// Generate a UUID v4 and return it as a lowercase string.
fun generateUUIDv4(): String {
val uuid = UUID.randomUUID() // built-in v4 generator
return uuid.toString().lowercase() // ensure lowercase output
}
fun main() {
val uuid = generateUUIDv4()
println("Generated UUID v4: $uuid")
}
/*
run:
Generated UUID v4: b529de6a-92f8-4031-bf8d-136bfa333525
*/
