public class Presenter extends Thread {
    private String message;
    private double sleepTime;
    private int steps;

    public Presenter(String message, double sleepTime) {
        this.message = message;
        this.sleepTime = sleepTime;
        this.steps = 0;
        start();
    }

    public void run() {
        while (true) {
            for (int i = 0; i < this.steps; ++i)
                System.out.print(" ");
            ++this.steps;
            System.out.println(this.message);
            try {
                Thread.sleep((int)(this.sleepTime * 1000));
            }
            catch (InterruptedException e) {
                System.out.println("Oj! Sömnen avbruten!");
            }
        }
    } // run

    public static void main(String[] args) {
        Presenter t1 = new Presenter("Turbo", 0.1);
        Presenter t2 = new Presenter("Svensson", 0.2);
        Presenter t3 = new Presenter("Skalman", 0.3);
    } // main
} // class Presenter