do I need to write it in the form? to run

import java.awt.Toolkit
import java.util.Timer
import java.util.TimerTask

/**
 * Schedule a task that executes once every second.
 */

class AnnoyingBeep {
    internal var toolkit: Toolkit
    internal var timer: Timer

    init {
        toolkit = Toolkit.getDefaultToolkit()
        timer = Timer()
        timer.schedule(RemindTask(),
                0, //initial delay
                (1 * 1000).toLong())  //subsequent rate
    }

    internal inner class RemindTask : TimerTask() {
        var numWarningBeeps = 3

        override fun run() {
            if (numWarningBeeps > 0) {
                toolkit.beep()
                println("Beep!")
                numWarningBeeps--
            } else {
                toolkit.beep()
                println("Time's up!")
                //timer.cancel(); //Not necessary because we call System.exit
                System.exit(0)   //Stops the AWT thread (and everything else)
            }
        }
    }

    companion object {

        @JvmStatic
        fun main(args: Array<String>) {
            println("About to schedule task.")
            AnnoyingBeep()
            println("Task scheduled.")
        }
    }
}