public void startAuction() {
        String aucNamn = stringCheck("Enter name of dog: ");
        Dog dog = dogSearch(aucNamn);
        if (dog == null) {
            System.out.println("Error: No such dog.");
            return;
        }
        if (dog.getOwner() != null) {
            System.out.println("Error: " + dog.getName() + " already has an owner");
            return;
        }
        else {
            for(int i = 0; i < auctionlist.size(); i++)
                if (auctionlist.get(i).getDog().getName().toLowerCase().equals(aucNamn.toLowerCase())) {
                    System.out.println("Error: "+ aucNamn +" is already up for auction");
                    return;
                }
        }

        auctionlist.add(new Auction(auctionlist.size()+1, dog));
        System.out.println("Auction for " + dog.getName() + " has begun");
    }



    public void listAuctions() {
        if (auctionlist.size() == 0) {
            System.out.println("Error: no auctions currently in progress");
            return;
        }
        for (int i = 0; i < auctionlist.size(); i++) {
            String dogName = auctionlist.get(i).getDog().getName();
            System.out.printf("Auction #%d: %s. Top bids: [", auctionlist.size()+1, dogName);