KeyListener

Name

Description

Objects that implement the KeyListener interface can receive KeyEvent objects. Listeners must first register themselves with objects that produce events. When events occur, they are then automatically propagated to all registered listeners.

Interface Definition

public abstract interface java.awt.event.KeyListener extends java.util.EventListener {
 // Instance Methods public abstract void keyPressed (KeyEvent e);
public abstract void keyReleased (KeyEvent e);
public abstract void keyTyped (KeyEvent e);
}

Interface Methods

keyPressed

public abstract void keyPressed (KeyEvent e)

• Parameters
• • e
  • The key event that occurred.
• Description
• Notifies the KeyListener that a key was pressed.

keyReleased

public abstract void keyReleased (KeyEvent e)

• Parameters
• • e
  • The key event that occurred.
• Description
• Notifies the KeyListener that a key was released.

keyTyped

public abstract void keyTyped (KeyEvent e)

• Parameters
• • e
  • The key event that occurred.
• Description
• Notifies the KeyListener that a key was typed (pressed and released).

See Also

AWTEventMulticaster, EventListener, KeyEvent, KeyListener