1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import javax.swing.JFrame; 25 import javax.swing.UIManager; 26 import javax.swing.SwingUtilities; 27 28 public class ProvokeGTK { 29 30 static JFrame frame; 31 public static void createAndShow() { 32 try { 33 UIManager.setLookAndFeel("com.sun.java.swing.plaf.gtk.GTKLookAndFeel"); 34 } catch(Exception cnf) { 35 cnf.printStackTrace(); 36 } 37 frame = new JFrame("JFrame"); 38 frame.setSize(200, 200); 39 40 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 41 frame.setVisible(true); 42 } 43 44 /** 45 * @param args the command line arguments 46 */ 47 public static void main(String[] args) throws Exception { 48 SwingUtilities.invokeAndWait(ProvokeGTK::createAndShow); 49 Thread.sleep(1000); 50 SwingUtilities.invokeAndWait( () -> { 51 frame.setVisible(false); 52 frame.dispose(); 53 }); 54 55 } 56 }