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 }