Now that we have our command-line compiler set up, let's try it out with a simple Kotlin program. Navigate to your home directory and create a new file named Hello.kt. All Kotlin files have a .kt extension appended to the end of the filename.
Open the file you just created in a text editor of your choosing and input the following:
// The following program prints Hello world to the standard system output.fun main (args: Array<String>) { println("Hello world!")}
Save the changes made to the program file. After the changes have been saved, open your terminal window and input the following command:
kotlinc hello.kt -include-runtime -d hello.jar
The preceding command compiles your program into an executable, ...
