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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<html>
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<head>
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<!--
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Copyright (c) 1998, 2000, Oracle and/or its affiliates. All rights reserved.
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DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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This code is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License version 2 only, as
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published by the Free Software Foundation. Oracle designates this
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particular file as subject to the "Classpath" exception as provided
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by Oracle in the LICENSE file that accompanied this code.
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This code is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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version 2 for more details (a copy is included in the LICENSE file that
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accompanied this code).
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You should have received a copy of the GNU General Public License version
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2 along with this work; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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CA 95054 USA or visit www.sun.com if you need additional information or
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have any questions.
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-->
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</head>
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<body bgcolor="white">
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Allows developers to provide support for undo/redo
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in applications such as text editors.
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<p>
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<strong>Note:</strong>
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Most of the Swing API is <em>not</em> thread safe.
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For details, see
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<a
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href="http://java.sun.com/docs/books/tutorial/uiswing/overview/threads.html"
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target="_top">Threads and Swing</a>,
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a section in
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<em><a href="http://java.sun.com/docs/books/tutorial/"
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target="_top">The Java Tutorial</a></em>.
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<h2>Related Documentation</h2>
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For overviews, tutorials, examples, guides, and tool documentation, please see:
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<ul>
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<li><a href="http://java.sun.com/docs/books/tutorial/uiswing/components/generaltext.html#undo" target="_top">Implementing Undo and Redo</a>,
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a section in <em>The Java Tutorial</em>
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</ul>
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@since 1.2
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@serial exclude
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</body>
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</html>
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