Java美化包3!!!!

try{UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());Fontfont=newFont("SimSun",0,12);Enumerationkeys=UIManager.getLookAndFeelDefaults().keys();while(keys.hasMoreElements()){Objectkey=keys.nextElement();if(UIManager.get(key)instanceofFont)UIManager.put(k