//file: MoveButton.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class MoveButton extends JPanel {
JButton button = new JButton("I Move");
public MoveButton( ) {
setLayout(null);
add(button);
button.setSize(button.getPreferredSize( ));
button.setLocation(20, 20);
addMouseListener(new MouseAdapter( ) {
public void mousePressed(MouseEvent e) {
button.setLocation(e.getX(), e.getY( ));
}
});
}
public static void main(String[] args) {
JFrame f = new JFrame("MoveButton");
f.addWindowListener(new WindowAdapter( ) {
public void windowClosing(WindowEvent e) { System.exit(0); }
});
f.setSize(250, 200);
f.setLocation(200, 200);
f.setContentPane(new MoveButton( ));
f.setVisible(true);
}
}
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