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  Class java.beans.PropertyChangeSupport
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<h1>
  Class java.beans.PropertyChangeSupport
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<pre>
<a href="java.lang.Object.html#_top_">java.lang.Object</a>
   |
   +----java.beans.PropertyChangeSupport
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  <dt> public class <b>PropertyChangeSupport</b>
  <dt> extends <a href="java.lang.Object.html#_top_">Object</a>
  <dt> implements <a href="java.io.Serializable.html#_top_">Serializable</a>
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This is a utility class that can be used by beans that support bound
 properties.  You can use an instance of this class as a member field
 of your bean and delegate various work to it.
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  <img src="images/constructor-index.gif" width=275 height=38 alt="Constructor Index">
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  <dt> <img src="images/yellow-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#PropertyChangeSupport(java.lang.Object)"><b>PropertyChangeSupport</b></a>(Object)
  <dd>  
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  <img src="images/method-index.gif" width=207 height=38 alt="Method Index">
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  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#addPropertyChangeListener(java.beans.PropertyChangeListener)"><b>addPropertyChangeListener</b></a>(PropertyChangeListener)
  <dd>  Add a PropertyChangeListener to the listener list.
  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)"><b>firePropertyChange</b></a>(String, Object, Object)
  <dd>  Report a bound property update to any registered listeners.
  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#removePropertyChangeListener(java.beans.PropertyChangeListener)"><b>removePropertyChangeListener</b></a>(PropertyChangeListener)
  <dd>  Remove a PropertyChangeListener from the listener list.
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  <img src="images/constructors.gif" width=231 height=38 alt="Constructors">
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<a name="PropertyChangeSupport"></a>
<a name="PropertyChangeSupport(java.lang.Object)"><img src="images/yellow-ball.gif" width=12 height=12 alt=" o "></a>
<b>PropertyChangeSupport</b>
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 public PropertyChangeSupport(<a href="java.lang.Object.html#_top_">Object</a> sourceBean)
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  <img src="images/methods.gif" width=151 height=38 alt="Methods">
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<a name="addPropertyChangeListener(java.beans.PropertyChangeListener)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="addPropertyChangeListener"><b>addPropertyChangeListener</b></a>
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 public synchronized void addPropertyChangeListener(<a href="java.beans.PropertyChangeListener.html#_top_">PropertyChangeListener</a> listener)
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<dl>
  <dd> Add a PropertyChangeListener to the listener list.
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  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> listener - The PropertyChangeListener to be added
  </dl></dd>
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<a name="removePropertyChangeListener(java.beans.PropertyChangeListener)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="removePropertyChangeListener"><b>removePropertyChangeListener</b></a>
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 public synchronized void removePropertyChangeListener(<a href="java.beans.PropertyChangeListener.html#_top_">PropertyChangeListener</a> listener)
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  <dd> Remove a PropertyChangeListener from the listener list.
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  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> listener - The PropertyChangeListener to be removed
  </dl></dd>
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<a name="firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="firePropertyChange"><b>firePropertyChange</b></a>
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 public void firePropertyChange(<a href="java.lang.String.html#_top_">String</a> propertyName,
                                <a href="java.lang.Object.html#_top_">Object</a> oldValue,
                                <a href="java.lang.Object.html#_top_">Object</a> newValue)
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  <dd> Report a bound property update to any registered listeners.
 No event is fired if old and new are equal and non-null.
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  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> propertyName - The programmatic name of the property
		that was changed.
    <dd> oldValue - The old value of the property.
    <dd> newValue - The new value of the property.
  </dl></dd>
</dl>
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