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Panel p = new Panel();
p.setLayout(new BorderLayout());
p.add(new Button("Okay"), BorderLayout.SOUTH);
 
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4.       GardLayOut
5.       GridBagLayOut ¸´ÔӵIJ¼¾Ö¹ÜÀí¡£
 
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       Menu objFileMenu = new Menu("Îļþ");
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String Username="username"; //̞
String Password="password"; //ÃÜÂë
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