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<TITLE>Listening for Changes to the Value in a JSpinner Component
(Java Developers Almanac Example)
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<META CONTENT="Patrick Chan" NAME="AUTHOR">
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<h3>
e793.
Listening for Changes to the Value in a JSpinner Component</h3>
<pre>
// Create a nummber spinner
JSpinner spinner = new JSpinner();
// Add the listener
spinner.addChangeListener(new SpinnerListener());
// Changing the value programmatically also fires an event
spinner.setValue(new Integer(<font color="#0066ff"><i>100</i></font>));
public class SpinnerListener implements ChangeListener {
public void stateChanged(ChangeEvent evt) {
JSpinner spinner = (JSpinner)evt.getSource();
// Get the new value
Object value = spinner.getValue();
}
}
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Related Examples
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e786. <a class="eglink" href="spinner_Spinner.html?l=rel">
Creating a JSpinner Component
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e787. <a class="eglink" href="spinner_SpinnerHour.html?l=rel">
Creating an Hour JSpinner Component
</a>
<br>
e788. <a class="eglink" href="spinner_SpinnerNoEdit.html?l=rel">
Disabling Keyboard Editing in a JSpinner Component
</a>
<br>
e789. <a class="eglink" href="spinner_SpinnerLimit.html?l=rel">
Limiting the Values in a Number JSpinner Component
</a>
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e790. <a class="eglink" href="spinner_SpinnerMargin.html?l=rel">
Setting the Margin Space on a JSpinner Component
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e791. <a class="eglink" href="spinner_SpinnerCust.html?l=rel">
Customizing the Editor in a JSpinner Component
</a>
<br>
e792. <a class="eglink" href="spinner_SpinnerCirList.html?l=rel">
Creating a SpinnerListModel That Loops Through Its Values
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JToolBar
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The Screen
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UI Default Values
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