kotlin
import java.io.File
fun main() {
val list = listOf(1, 2, 3, 4, 5)
val doubledList = list.map { it * 2 }
val file = File("path/to/file.txt")
val fileExtension = file.extension
try {
throw RuntimeException("An error occurred")
} catch (e: Exception) {
println("Error: ${e.message}")
}
}
kotlinc Main.kt -include-runtime -d Main.jar
java -jar Main.jar
