Here you can find the source of changeLookAndFeel(final String lookName, final JFrame frame)
public static void changeLookAndFeel(final String lookName, final JFrame frame)
//package com.java2s; /* //from w w w .ja va 2 s . c o m * Copyright (C) 2014 Center of Excellence in Information Assurance * * 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 javax.swing.JFrame; import javax.swing.SwingUtilities; import javax.swing.UIManager; public class Main { public static void changeLookAndFeel(final String lookName, final JFrame frame) { try { UIManager.setLookAndFeel(lookName); SwingUtilities.updateComponentTreeUI(frame); frame.pack(); } catch (Exception e) { } } }