Here you can find the source of setFont(Container container)
public static void setFont(Container container)
//package com.java2s; /*/*w w w .jav a 2 s . co m*/ * Xapp (pronounced Zap!), A automatic gui tool for Java. * Copyright (C) 2009 David Webber. All Rights Reserved. * * The contents of this file may be used under the terms of the GNU Lesser * General Public License Version 2.1 or later. * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. */ import javax.swing.*; import javax.swing.border.TitledBorder; import java.awt.*; public class Main { public static Font DEFAULT_FONT = Font.decode("dialog-10"); public static void setFont(Container container) { setFont(container, DEFAULT_FONT); } public static void setFont(Container container, String fontStr) { setFont(container, Font.decode(fontStr)); } public static void setFont(Container container, Font font) { container.setFont(font); trySetBorderFont(font, container); Component[] components = container.getComponents(); for (Component component : components) { component.setFont(font); if (component instanceof Container) { setFont((Container) component, font); } trySetBorderFont(font, component); if (component instanceof JTable) { JTable table = (JTable) component; table.getTableHeader().setFont(font); } } if (container instanceof JMenu) { JMenu jMenu = (JMenu) container; for (int i = 0; i < jMenu.getItemCount(); i++) { JMenuItem mi = jMenu.getItem(i); mi.setFont(font); } } } private static void trySetBorderFont(Font font, Component component) { if (component instanceof JComponent) { JComponent jc = (JComponent) component; if (jc.getBorder() instanceof TitledBorder) { TitledBorder titledBorder = (TitledBorder) jc.getBorder(); titledBorder.setTitleFont(font); } } } }