public class Kartenstapel {
    String[][] stapel;
    Kartenstapel(){
        stapel = generateNewStapel();
    }

    String[][] generateNewStapel(){
        String[] possibleFarben = {"Herz", "Karo", "Schippe", "Kreuz"};
        String[] possibleWerte = {"2", "3", "4", "5", "6", "7", "8", "9", "10", "Bube", "Dame", "König", "Ass"};

        String[][] returnStapel = new String[52][2];

        int counter = 0;
        for (String farbe : possibleFarben){
            for (String wert : possibleWerte){
                returnStapel[counter] = new String[]{farbe, wert};

                counter ++;
            }
        }
        return returnStapel;
    }

    public String toString(){
        StringBuilder sb = new StringBuilder();
        for (String[] karte : stapel){
            sb.append(String.format("%s %s \n", karte[0], karte[1]));
        }
        return sb.toString();
    }
}