Por favor, lembre-se que esta tradução da especificação é resultado de um projeto da comunidade java.net( https://jdk5-api-pt-br.dev.java.net/). A versão oficial da especificação é a versão na língua inglesa que pode ser encontrada em http://java.sun.com/j2se/1.5.0/docs/api/. Em caso de divergências, a versão predominante da especificação é a original em inglês.

Please note that this translation of the specification is the result of a java.net community project ( https://jdk5-api-pt-br.dev.java.net/ ). The official version of the specification is the US English language version which can be found at http://java.sun.com/j2se/1.5.0/docs/api/. In case of disputes, the authoritative version of the specification is the original, English document.

java.awt.event
Class KeyAdapter

java.lang.Object
  java.awt.event.KeyAdapter

All Implemented Interfaces:

KeyListener, EventListener

Direct Known Subclasses:

BasicComboBoxUI.KeyHandler, BasicComboPopup.InvocationKeyHandler, BasicTreeUI.KeyHandler

public abstract class KeyAdapter
extends Object
implements KeyListener

An abstract adapter class for receiving keyboard events. The methods in this class are empty. This class exists as convenience for creating listener objects.

Extend this class to create a KeyEvent listener and override the methods for the events of interest. (If you implement the KeyListener interface, you have to define all of the methods in it. This abstract class defines null methods for them all, so you can only have to define methods for events you care about.)

Create a listener object using the extended class and then register it with a component using the component's addKeyListener method. When a key is pressed, released, or typed, the relevant method in the listener object is invoked, and the KeyEvent is passed to it.

Since:

1.1

See Also:

KeyEvent, KeyListener, Tutorial: Writing a Key Listener, Reference: The Java Class Libraries (update file)

Constructor Summary

KeyAdapter()

Method Summary

void	keyPressed(KeyEvent e) Invoked when a key has been pressed.
void	keyReleased(KeyEvent e) Invoked when a key has been released.
void	keyTyped(KeyEvent e) Invoked when a key has been typed.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

KeyAdapter

public KeyAdapter()

Method Detail

keyTyped

public void keyTyped(KeyEvent e)

Invoked when a key has been typed. This event occurs when a key press is followed by a key release.

Specified by:

keyTyped in interface KeyListener

keyPressed

public void keyPressed(KeyEvent e)

Invoked when a key has been pressed.

Specified by:

keyPressed in interface KeyListener

keyReleased

public void keyReleased(KeyEvent e)

Invoked when a key has been released.

Specified by:

keyReleased in interface KeyListener