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What is the difference between an ActionEvent and aMouseEvent? Is the difference

ID: 3608933 • Letter: W

Question

What is the difference between an ActionEvent and aMouseEvent? Is the difference basically that action event covers allevents and only processes 1 event a time, whereas mouse eventscover all the mouse events and can process multiple mouse events ata time? Please tell me if I'm right or wrong and if i'm wrong pleaseexplain why. I promise i'll rate lifesaver within 24 hrs. What is the difference between an ActionEvent and aMouseEvent? Is the difference basically that action event covers allevents and only processes 1 event a time, whereas mouse eventscover all the mouse events and can process multiple mouse events ata time? Please tell me if I'm right or wrong and if i'm wrong pleaseexplain why. I promise i'll rate lifesaver within 24 hrs.

Explanation / Answer

A semantic event which indicates that acomponent-defined action occured. This high-level event isgenerated by a component (such as a Button) when thecomponent-specific action occurs (such as being pressed). The eventis passed to every every ActionListener object thatregistered to receive such events using the component'saddActionListener method.

The object that implements theActionListener interface gets thisActionEvent when the event occurs. The listener istherefore spared the details of processing individual mousemovements and mouse clicks, and can instead process a "meaningful"(semantic) event like "button pressed".

The listener interface for receiving"interesting" mouse events (press, release, click, enter, and exit)on a component. (To track mouse moves and mouse drags, use theMouseMotionListener.)

The class that is interested in processinga mouse event either implements this interface (and all the methodsit contains) or extends the abstract MouseAdapterclass (overriding only the methods of interest).

The listener object created from thatclass is then registered with a component using the component'saddMouseListener method. A mouse event is generatedwhen the mouse is pressed, released clicked (pressed and released).A mouse event is also generated when the mouse cursor enters orleaves a component. When a mouse event occurs, the relevant methodin the listener object is invoked, and the MouseEventis passed to it.

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