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Chapter 14: Problem 27

What interface would a listener class implement to handle a mouse click event? \(A\) mouse press event? A mouse dragged event? A mouse release event? A mouse move event?

Short Answer

Expert verified
Answer: To handle various mouse events, a listener class should implement the following interfaces: 1. Mouse Click and Mouse Press Events: Implement "java.awt.event.MouseListener" 2. Mouse Dragged and Mouse Move Events: Implement "java.awt.event.MouseMotionListener" 3. Mouse Release Event: Implement "java.awt.event.MouseListener"

Step by step solution

01

Mouse Click Event

To handle a mouse click event, the listener class should implement the interface "java.awt.event.MouseListener". The specific method for handling a mouse click event is "public void mouseClicked(MouseEvent e)".
02

Mouse Press Event

To handle a mouse press event, the listener class should also implement the interface "java.awt.event.MouseListener". The specific method for handling a mouse press event is "public void mousePressed(MouseEvent e)".
03

Mouse Dragged Event

To handle a mouse dragged event, the listener class should implement the interface "java.awt.event.MouseMotionListener", which is a separate interface from "MouseListener". The specific method for handling a mouse dragged event is "public void mouseDragged(MouseEvent e)".
04

Mouse Release Event

To handle a mouse release event, the listener class should implement the interface "java.awt.event.MouseListener" as well. The specific method for handling a mouse release event is "public void mouseReleased(MouseEvent e)".
05

Mouse Move Event

To handle a mouse move event, the listener class should implement the interface "java.awt.event.MouseMotionListener". The specific method for handling a mouse move event is "public void mouseMoved(MouseEvent e)".

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