Question

Consider the following Java program. Describe what it does in response to specific operations of the mouse, and how it does it. (You are encouraged to run the program for yourself to test its behavior. Then read through the program carefully to understand how that behavior arises.)

import java.awt.event.*;
import javax.swing.*;
public class MouseWhisperer extends JFrame implements MouseListener {
    MouseWhisperer() {
        super("COME CLOSER");
        setSize(300,100);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        addMouseListener(this);
        setVisible(true);
    }
    public void mouseClicked(MouseEvent e) { setTitle("OUCH"); }
    public void mousePressed(MouseEvent e) { setTitle("LET GO"); }
    public void mouseReleased(MouseEvent e) { setTitle("WHEW"); }
    public void mouseEntered(MouseEvent e) { setTitle("I SEE YOU"); }
    public void mouseExited(MouseEvent e) { setTitle("COME CLOSER"); }
    public static void main(String[] args) { new MouseWhisperer(); }
}

Your Discussion should be at least 250 words in length, but not more than 750 words.

Answer 1

In this program we are showcasing the mouse events.
here we implemented the all mouse related events like
mouseClicked, mousePresses,mouseReleased,mouseEntered,mouseExited

Here we are chaning the title of the window every an event happends
when mouseClicked event happend we are changing the title to OUCH
when mousePressed event happend we are changing the title to LET GO
when mouseReleased event happend we are changing the title to WHEW
when mouseEntered event happend we are changing the title to I SEE YOU
when mouseExited event happend we are changing the title to COME CLOSE

We have done all of the above tasking by creating JFrame and implementing a MouseListener interface which has all of these methods

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