class Erzaehler extends Observable {
	
	public Erzaehler(){
		this.addObserver(new Zuhoerer_1());
		this.addObserver(new Zuhoerer_2());
		tell("laber, laber...");
	}

	
	public void tell(String info){
		if(countObservers()>0){
			setChanged();
			notifyObservers(info);
		}
	}
}