public class BasicComboBoxUI.ItemHandler extends Object implements ItemListener
 这个公共内部类应该被视为受保护的。 仅在BasicComboBoxUI的BasicComboBoxUI类中BasicComboBoxUI 。 
| Constructor and Description | 
|---|
| ItemHandler() | 
public void itemStateChanged(ItemEvent e)
ItemListener复制 
          itemStateChanged在接口 
            ItemListener 
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