Untitled

    public void print(Map <String, List <String>> foodConsumption){
        for (String essen : foodConsumption.keySet()) {
            Iterator <String> it = foodConsumption.get(essen).listIterator();
            while(it.hasNext()){
                System.out.print(it.next() + " ");
            }
            System.out.println(": " + essen);
        }

    }