Swing初级学习篇

public static void main(String[]args){
    FontUIResource fontUIR=new FontUIResource("宋体",Font.PLAIN,12);
    Enumeration keys=UIManager.getDefaults().keys();
    while(keys.hasMoreElements()){
        Object key=keys.nextElement();
        Object value=UIManager.get(key);
        if(value instanceof FontUIResource){
            UIManager.put(key, fontUIR);
        }
    }
}