Change Rule = new Change(this, "규칙 설정"); setLayout(new FlowLayout()); ActionListener mnal = new ActionListener() { public void actionPerformed(ActionEvent e) { if(((MenuItem)e.getSource()).getLabel().equals("새 게임")) { newgame(); } if(((MenuItem)e.getSource()).getLabel().equals("종료")) { System.exit(0); } if(((MenuItem)e.getSource()).getLabel().equals("규칙")) { Rule.show(); } } };