Here you can find the source of setUIFont(javax.swing.plaf.FontUIResource f)
public static void setUIFont(javax.swing.plaf.FontUIResource f)
//package com.java2s; /*/* www. j a va 2 s . c o m*/ Storybook: Scene-based software for novelists and authors. Copyright (C) 2008 - 2012 Martin Mustun This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.util.Enumeration; import javax.swing.UIManager; public class Main { public static void setUIFont(javax.swing.plaf.FontUIResource f) { Enumeration<Object> keys = UIManager.getDefaults().keys(); while (keys.hasMoreElements()) { Object key = keys.nextElement(); Object value = UIManager.get(key); if (value instanceof javax.swing.plaf.FontUIResource) UIManager.put(key, f); } } }