KeyListener (Java Platform SE 6)

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java.awt.event
interface KeyListener

All Superinterfaces:: EventListener

All Known Implementing Classes:: AWTEventMulticaster, BasicTableUI.KeyHandler, KeyAdapter, BasicComboBoxUI.KeyHandler, BasicComboPopup.InvocationKeyHandler, BasicTreeUI.KeyHandler

public interface KeyListener
extends EventListener

The listener interface for receiving keyboard events (keystrokes). The class that is interested in processing a keyboard event either implements this interface (and all the methods it contains) or extends the abstract KeyAdapter class (overriding only the methods of interest).

The listener object created from that class is then registered with a component using the component's addKeyListener method. A keyboard event is generated when a key is pressed, released, or typed. The relevant method in the listener object is then invoked, and the KeyEvent is passed to it.

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.

Method Detail

keyPressed

public void keyPressed(KeyEvent e)

Invoked when a key has been pressed. See the class description for {@link KeyEvent} for a definition of a key pressed event.

Parameters:: e

keyReleased

public void keyReleased(KeyEvent e)

Invoked when a key has been released. See the class description for {@link KeyEvent} for a definition of a key released event.

Parameters:: e

keyTyped

public void keyTyped(KeyEvent e)

Invoked when a key has been typed. See the class description for {@link KeyEvent} for a definition of a key typed event.

Parameters:: e