BasicOptionPaneUI.ButtonActionListener (Java SE 9 & JDK 9 )

java.lang.Object
- javax.swing.plaf.basic.BasicOptionPaneUI.ButtonActionListener

All Implemented Interfaces:

ActionListener, EventListener

Enclosing class:

BasicOptionPaneUI
```
public class BasicOptionPaneUI.ButtonActionListener
extends Object
implements ActionListener
```
This class should be treated as a "protected" inner class. Instantiate it only within subclasses of BasicOptionPaneUI.

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  protected int buttonIndex
  The index of the button.
- Constructor Summary
  
  Constructors
  Constructor Description
  
  ButtonActionListener(int buttonIndex)
  Constructs a new instance of ButtonActionListener.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  void actionPerformed(ActionEvent e)
  Invoked when an action occurs.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - buttonIndex
```
protected int buttonIndex
```
    The index of the button.
- Constructor Detail
  - ButtonActionListener
```
public ButtonActionListener(int buttonIndex)
```
    Constructs a new instance of ButtonActionListener.
    
    Parameters:
    
    buttonIndex - an index of the button
- Method Detail
  - actionPerformed
```
public void actionPerformed(ActionEvent e)
```
    Description copied from interface: ActionListener
    
    Invoked when an action occurs.
    
    Specified by:
    
    actionPerformed in interface ActionListener
    
    Parameters:
    
    e - the event to be processed