Here you can find the source of trySetBorderFont(Font font, Component component)
private static void trySetBorderFont(Font font, Component component)
//package com.java2s; /*//from ww w .j av a2 s . c o 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 { 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); } } } }