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diff --git a/libjava/classpath/javax/swing/JButton.java b/libjava/classpath/javax/swing/JButton.java
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+++ b/libjava/classpath/javax/swing/JButton.java
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+/* JButton.java --
+   Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath 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 2, or (at your option)
+any later version.
+
+GNU Classpath 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 GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package javax.swing;
+
+import javax.accessibility.Accessible;
+import javax.accessibility.AccessibleContext;
+import javax.swing.plaf.ButtonUI;
+
+
+/**
+ * An instance of JButton can be added to a panel, frame etc
+ *
+ * @author Ronald Veldema (rveldema@cs.vu.nl)
+ */
+public class JButton extends AbstractButton
+  implements Accessible
+{
+  private static final long serialVersionUID = -1907255238954382202L;
+  boolean def;
+  boolean is_def;
+
+  public JButton()
+  {
+    this(null, null);
+  }
+
+  public JButton(Action a)
+  {
+    this();
+    setAction(a);
+  }
+
+  public JButton(Icon icon)
+  {
+    this(null, icon);
+  }
+
+  public JButton(String text)
+  {
+    this(text, null);
+  }
+
+  public JButton(String text, Icon icon)
+  {
+    super();
+    init(text, icon);
+    setModel(new DefaultButtonModel());
+  }
+
+  public Object[] getSelectedObjects()
+  {
+    return null;
+  }
+
+  protected void configurePropertiesFromAction(Action a)
+  {
+    // Factory method which sets the AbstractButton's properties according to
+    // values from the Action instance. 
+    super.configurePropertiesFromAction(a);
+  }
+
+  public AccessibleContext getAccessibleContext()
+  {
+    // Gets the AccessibleContext associated with this JButton. 
+    return null;
+  }
+
+  public String getUIClassID()
+  {
+    // Returns a string that specifies the name of the L&F class that renders
+    // this component.  
+    return "ButtonUI";
+  }
+
+  public boolean isDefaultButton()
+  {
+    // Returns whether or not this button is the default button on the
+    // RootPane.
+    return is_def;
+  }
+
+  public boolean isDefaultCapable()
+  {
+    // Returns whether or not this button is capable of being the default
+    // button on the RootPane. 
+    return def;
+  }
+
+  protected String paramString()
+  {
+    String superParam = super.paramString();
+
+    // 41 is the maximum number of chars which may be needed.
+    StringBuffer sb = new StringBuffer(41);
+    sb.append(",defaultButton=").append(is_def);
+    sb.append(",defaultCapable=").append(def);
+
+    return superParam + sb.toString();
+  }
+
+  /**
+   * Overrides JComponent.removeNotify to check if this button is currently
+   * set as the default button on the RootPane, and if so, sets the RootPane's
+   * default button to null to ensure the RootPane doesn't hold onto an invalid
+   * button reference.
+   */
+  public void removeNotify()
+  {
+  }
+
+  public void setDefaultCapable(boolean defaultCapable)
+  {
+    def = defaultCapable;
+  }
+
+  public void updateUI()
+  {
+    setUI((ButtonUI) UIManager.getUI(this));
+  }
+}