Java Swing 修改UI字体

//修改字体//方式一：for (Iterator<Entry<Object, Object>> it = UIManager.getDefaults().entrySet().iterator(); it.hasNext();) {Object key = it.next().getKey();Object value = UIManager.get(key);if (value instanceof FontUIResource) {value = ((Font) value).deriveFont(Font.PLAIN);UIManager.put(key, value);}}//方式二：UIManager.put("swing.boldMetal", Boolean.FALSE);