public?static?void?MyFrame(){ Container?a?=?jf.getContentPane(); setBounds(200,200,120,120); JButton?cn?=?new?JButton("開始游戲"); cn.setBounds(190,105,90,25); a.add(cn); JF.setUndecorated(true);? JF.getRootPane().setWindowDecorationStyle(JRootPane.QUESTION_DIALOG); cn.addActionListener(new?ActionListener(){ ?????public?void?actionPerformed(ActionEvent?a){ cn.setVisible(false); JF.setVisible(true); JF.setSize(600,400); JF.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE); KS.name(); Thread.sleep(1000);?//?這里一寫休眠或者引導其他類(類名.main(null))就會卡住 } }); ????}為啥按鈕點擊事件里面一寫休眠或者引導其他類(類名.main(null))就會卡?。?？？怎么回事？