private void addEvents() { confirmButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent ae) { Color color = null; if (redButton.isSelected()) { color = Color.red; } else if (blueButton.isSelected()) { color = Color.blue; } else if (greenButton.isSelected()) { color = Color.green; } else if (yellowButton.isSelected()) { color = Color.yellow; } new GameBoard(frame, color, numPlayers); } }); redButton.addActionListener(new buttonAdapter()); blueButton.addActionListener(new buttonAdapter()); greenButton.addActionListener(new buttonAdapter()); yellowButton.addActionListener(new buttonAdapter()); }