What are the three objects of the event processing model?
- 青灯夜游Original
- 2021-01-28 16:54:324730browse
The three objects of the event processing model: 1. Event source; the place where the event occurs is usually each component. 2. Events; encapsulate specific things that happen on interface components. 3. Event listener: Responsible for monitoring events that occur in event sources and responding accordingly to various events.
The operating environment of this tutorial: windows7 system, java10 version, Dell G3 computer.
Three types of objects in the event listening and processing model
1. Event Source: The place where the event occurs, usually each component, such as a button, window;
2. Event: Event encapsulates specific things that occur on interface components.
3. Event Listener: Responsible for monitoring events that occur in event sources and responding accordingly to various events.
For more programming-related knowledge, please visit: Programming Teaching! !
The above is the detailed content of What are the three objects of the event processing model?. For more information, please follow other related articles on the PHP Chinese website!