Output Hello World in kotlin's simple main function

$ brew install kotlin
$ kotlin -version
=> Kotlin version 1.3.61-release-180 (JRE 11.0.1+13-LTS)

fun main(args: Array<String>) { 
  println("Hello, World!")
}

$ kotlinc helloWorld.kt -include-runtime -d helloWorld.jar
$ hello_world ll
-rw-r--r--  1 user staff   1.3M Dec 27 22:34 helloWorld.jar
-rw-r--r--  1 user staff    62B Dec 27 22:33 helloWorld.kt

$ java -jar helloWorld.jar
=> Hello, World!

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