java.awt.Component.dispatchEvent()'s purpose and behavior

Most of the tutorials and documentation 开发者_如何学JAVAthat I've been reading seem to indicate that most component communication takes place by subscription using listeners.

The Java docs indicate that java.awt.Component#dispatchEvent(AWTEvent e):

Dispatches an event to this component or one of its sub components. Calls processEvent before returning for 1.1-style events which have been enabled for the Component.

Given that listeners seem commonplace, what is the purpose of dispatchEvent and how / where is the dispatched event received?

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The component has to receive the events to dispatch somewhere. This is where a component receives the events. The events come from the EventQueue.

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I researched how to send custom events to a JFrame, and finally I succeeded in compiling some examples found on the web.

The functional result is visible here:

link text

Hoping that it might be useful!

Serge COUDÉ