Graphic Java™ 1.2, Volume I: AWT, Third Edition

Action Events

Action events are generated by the following classes:

• Button

• Checkbox

• Choice

• List

• MenuItem

• TextField

All of the components listed above are capable of generating action events, as you can see from Figure 8-1. Note that action events under the original event model do not necessarily equate to an ActionEvent under the delegation event model—see “Semantic Events”.^[4]

^[4] Specifically, checkboxes and choices generate item events instead of action events.

Figure 8-1. Action Events. Action events are events generated by selecting choice items, checkboxes, buttons, or menu items, by entering a carriage return in a textfield, or by double-clicking an item in a list.

ActionTest creates one of each of these AWT components. The unique characteristic ...