KeyListener (Eclipse RAP 3.21.0-SNAPSHOT API Reference)

All Known Implementing Classes:

KeyAdapter
```
public interface KeyListener
```
Classes which implement this interface provide methods that deal with the events that are generated as keys are pressed on the system keyboard.
After creating an instance of a class that implements this interface it can be added to a control using the addKeyListener method and removed using the removeKeyListener method. When a key is pressed or released, the appropriate method will be invoked.

Since:

1.2

See Also:

KeyAdapter, KeyEvent

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`keyPressed(KeyEvent e)`	Sent when a key is pressed on the system keyboard.
`void`	`keyReleased(KeyEvent e)`	Sent when a key is released on the system keyboard.

- Method Detail
  - keyPressed
```
void keyPressed(KeyEvent e)
```
    Sent when a key is pressed on the system keyboard.
    
    Parameters:
    
    e - an event containing information about the key press
  - keyReleased
```
void keyReleased(KeyEvent e)
```
    Sent when a key is released on the system keyboard.
    
    Parameters:
    
    e - an event containing information about the key release