Kotlin Hello

Hello -- com.example.Hello

show how to write hello, and use class defined in Java.

Run from Intellj IDEA

open com.example.Hello.kt, right click and click "Run 'com.example.HelloKt'".

Run from Command Line

First

mvn compile

Then

kotlin -classpath target/classes com.example.HelloKt

Or

mvn exec:java -Dexec.mainClass="com.example.HelloKt" -Dexec.args=""

Types -- com.example.Types

show type of kotlin.

ControlFlow -- com.example.ControlFlow

if, when, for, break

ObjectOriented -- com.example.ObjectOriented

class open inherited