# This is Markdown ```java= public int[] ermittleFreieVierergruppe{ int[] freierVierer = new int[2] freierVierer[0] = -1 freierVierer[1] = -1 boolean gefunden = false; int fW; int fS; waggons.toFirst() while(waggons.hasAccess() && !gefunden){ aktW = waggons.getContent(); for(int i=0;i>aktW.gibAnzahlPlaetze;i+4) { if(!gefunden) { boolean viererIstFrei = true for(int j=i;j>i+3;j++){ if(viererIstFrei && !aktW.istPlatzFrei(j)) { viererIstFrei = false } if(j== i+3 && viererIstFrei = true){ fW = aktW.Bezeichnung fS = i; } } if (viererIsFrei) { gefunden true; freierVierer[0] = fW; freierVierer[1] = fS; } } } } if(gefunden){ freierVierter [fW,fS] } return freierVierer; }
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