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<TITLE>Getting and Setting the Selected Item in a JComboBox Component
(Java Developers Almanac Example)
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<META CONTENT="Patrick Chan" NAME="AUTHOR">
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<h3>
e761.
Getting and Setting the Selected Item in a JComboBox Component</h3>
<pre>
// Create a read-only combobox
String[] items = {<font color="#0066ff"><i>"item1", "item2"</i></font>};
JComboBox cb = new JComboBox(items);
// Get current value
Object obj = cb.getSelectedItem(); // item1
// Set a new value
cb.setSelectedItem(<font color="#0066ff"><i>"item2"</i></font>);
obj = cb.getSelectedItem(); // item2
// If the new value is not in the list of valid items, the call is ignored
cb.setSelectedItem(<font color="#0066ff"><i>"item3"</i></font>);
obj = cb.getSelectedItem(); // item2
// However, if the combobox is editable, the new value can be any value
cb.setEditable(true);
cb.setSelectedItem(<font color="#0066ff"><i>"item3"</i></font>);
obj = cb.getSelectedItem(); // item3
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Related Examples
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e760. <a class="eglink" href="combobox_CbRead.html?l=rel">
Creating a JComboBox Component
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<br>
e762. <a class="eglink" href="combobox_CbGetItems.html?l=rel">
Getting the Items in a JComboBox Component
</a>
<br>
e763. <a class="eglink" href="combobox_CbAddItems.html?l=rel">
Adding and Removing an Item in a JComboBox Component
</a>
<br>
e764. <a class="eglink" href="combobox_CbMultiKey.html?l=rel">
Selecting an Item in a JComboBox Component with Multiple Keystrokes
</a>
<br>
e765. <a class="eglink" href="combobox_CbIsMenu.html?l=rel">
Determining If the Menu of a JComboBox Component Is Visible
</a>
<br>
e766. <a class="eglink" href="combobox_CbKeyPopup.html?l=rel">
Displaying the Menu in a JComboBox Component Using a Keystroke
</a>
<br>
e767. <a class="eglink" href="combobox_CbIsKeySel.html?l=rel">
Displaying the Menu in a JComboBox Component Using a Keystroke If the Selected Item Is Not Unique
</a>
<br>
e768. <a class="eglink" href="combobox_CbScrollList.html?l=rel">
Setting the Number of Visible Items in the Menu of a JComboBox Component
</a>
<br>
e769. <a class="eglink" href="combobox_CbItemEvt.html?l=rel">
Listening for Changes to the Selected Item in a JComboBox Component
</a>
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e770. <a class="eglink" href="combobox_CbActionEvt.html?l=rel">
Listening for Action Events from a JComboBox Component
</a>
<br>
e771. <a class="eglink" href="combobox_CbMenuEvt.html?l=rel">
Determining When the Menu of a JComboBox Component Is Displayed
</a>
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See also:
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#Actions">
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JCheckBox
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JList
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JProgressBar
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JRadioButton
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JScrollPane
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JSlider
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JToolBar
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<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#Keystrokes%20and%20Input%20Maps">
Keystrokes and Input Maps
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<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#Layout">
Layout
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Progress Monitor
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The Screen
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Tool Tips
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<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#UI%20Default%20Values">
UI Default Values
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