OnJava8-Examples/onjava/MouseClick.java at master · CSapprenticeWT/OnJava8-Examples · GitHub

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// onjava/MouseClick.java

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

// Helper interface to allow lambda expressions.

package onjava;

import java.awt.event.*;

// Default everything except mouseClicked():

public interface MouseClick extends MouseListener {

@Override

default void mouseEntered(MouseEvent e) {}

@Override

default void mouseExited(MouseEvent e) {}

@Override

default void mousePressed(MouseEvent e) {}

@Override

default void mouseReleased(MouseEvent e) {}

}