private JComboBox createNumberOfHandsList(JPanel mainPanel) {
        JLabel numberOfHandsText = new JLabel("Number of starting hands");
        mainPanel.add(numberOfHandsText);
        String[] numberOfHands = new String[9];
        for (int i = 0; i < numberOfHands.length; i++) {
            numberOfHands[i] = Integer.toString(i + 2);
        }
        JComboBox numberOfHandsList = new JComboBox(numberOfHands);
        mainPanel.add(numberOfHandsList);
        return numberOfHandsList;
    }