/* * Copyright (c) 1997, 2003, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.swing;  /** * Constants used to control the window-closing operation. * The <code>setDefaultCloseOperation</code> and * <code>getDefaultCloseOperation</code> methods * provided by <code>JFrame</code>, * <code>JInternalFrame</code>, and * <code>JDialog</code> * use these constants. * For examples of setting the default window-closing operation, see * <a href="http://java.sun.com/docs/books/tutorial/uiswing/components/frame.html#windowevents">Responding to Window-Closing Events</a>, * a section in <em>The Java Tutorial</em>. * @see JFrame#setDefaultCloseOperation(int) * @see JDialog#setDefaultCloseOperation(int) * @see JInternalFrame#setDefaultCloseOperation(int) * * * @author Amy Fowler */public interface WindowConstants{    /**     * The do-nothing default window close operation.     */    public static final int DO_NOTHING_ON_CLOSE = 0;     /**     * The hide-window default window close operation     */    public static final int HIDE_ON_CLOSE = 1;     /**     * The dispose-window default window close operation.     * <p>     * <b>Note</b>: When the last displayable window     * within the Java virtual machine (VM) is disposed of, the VM may     * terminate.  See <a href="../../java/awt/doc-files/AWTThreadIssues.html">     * AWT Threading Issues</a> for more information.     * @see java.awt.Window#dispose()     * @see JInternalFrame#dispose()     */    public static final int DISPOSE_ON_CLOSE = 2;     /**     * The exit application default window close operation. Attempting     * to set this on Windows that support this, such as     * <code>JFrame</code>, may throw a <code>SecurityException</code> based     * on the <code>SecurityManager</code>.     * It is recommended you only use this in an application.     *     * @since 1.4     * @see JFrame#setDefaultCloseOperation     */    public static final int EXIT_ON_CLOSE = 3; }