Event Handling The Delegation Event Model: Events: Event Sources:
The delegation event model has two parts: sources and listeners Listeners are created by implementing one or more of the interfaces defined by the java awt
Which is the highest class of event delegation model in Java?
The java. util. EventObject class is the top-level class of the event-delegation class hierarchy.
What is the event handling model in Java?
Event Handling is the mechanism that controls the event and decides what should happen if an event occurs. This mechanism have the code which is known as event handler that is executed when an event occurs. Java Uses the Delegation Event Model to handle the events.
What is delegation event model in Java?
In the Delegation model, a source generates an event and forwards it to one or more listeners, where the listener waits until they receive an event. Once the listener gets the event, it is processed by the listener, and then they return it. The UI elements can delegate an event's processing to a separate function.
An event in Java is an object that is created when something changes within a graphical user interface. If a user clicks on a button, clicks on a combo box, or types characters into a text field, etc., then an event triggers, creating the relevant event object.
This mechanism have the code which is known as event handler that is executed when an event occurs. Java Uses the Delegation Event Model to handle the events.
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