class ThreadEx {

    public static void main(String args[]) {
        System.out.println("Thread Beispiel");
        System.out.println("");
        TicTacToe Tic = new TicTacToe("Tic ");
        TicTacToe Tac = new TicTacToe("Tac ");
        TicTacToe Toe = new TicTacToe("Toe ");
        Tic.start();
        Tac.start();
        Toe.start();
        try { Thread.sleep(200);} catch (InterruptedException e) {}
        Tic.Stop();
        Tac.Stop();
        Toe.Stop();    
    }
}

class TicTacToe extends Thread{
    String was;
    boolean beendet = false;
    TicTacToe(String s){ was = s;}
    void Stop(){ beendet = true;}
    public void run(){
        for (;;) {
            if (beendet) return;
            System.out.print(was);
            yield();
            }
        }
        
}