MouseAdapter should implement MouseMotionListener and MouseWheelListener

WindowAdapter implements all Window-related event listener interfaces (WindowFocusListener, WindowListener, WindowStateListener). MouseAdapter should implement all mouse-related interfaces (MouseListener, MouseMotionListener, MouseWheelListener), but only implements MouseListener.

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There is also a Swing class, javax.swing.event.MouseInputAdapter, which should also implement MouseWheelListener.