Java Source Codes

Using Mouse Listener

package innerserial;
import java.awt.*;
import java.awt.event.*;
import java.io.*;

public class Dot2S extends Canvas {
private Point p;

public Dot2S() {
setSize(200, 200);
p = new Point(100, 100);
addMouseListener(new MyMouseAdapter());
}

public void changePoint(MouseEvent me) {
p = new Point(me.getX(), me.getY());
repaint();
}

public void paint(Graphics g) {
Dimension d = getSize();
g.drawRect(0, 0, d.width - 1, d.height - 1);
g.fillRect(p.x - 2, p.y - 2, 4, 4);
}

class MyMouseAdapter extends MouseAdapter
implements Serializable {
public void mouseClicked(MouseEvent me) {
changePoint(me);
}
}
}

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