Java 6 Illuminated: An Active Learning Approach, 2nd Edition

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When you need to imple-

ment only a few methods

of a listener interface hav-

ing more than one method,

consider extending the cor-

responding adapter class

instead.

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ENGINEERING TIP

12.12 Mouse Movements 873

TABLE 12.18 Useful Methods of the MouseEvent Class

Return value Method name and argument list

int getX( )

returns the x value of the ( x,y) coordinate of the mouse activity

int getY( )

returns the y value of the ( x,y) coordinate of the mouse activity

Listener interfaces, each of which has only one method. For mouse events,

there are two listeners: the MouseListener and the MouseMotionListener.

The MouseListener interface specifies five methods to ...