Java - MouseMoveEvent Example

package samples;

import java.awt.event.MouseEvent;

import acm.graphics.GRect;
import acm.program.*;

public class GraphicsProgramSample extends GraphicsProgram {

    GRect rect = new GRect(200, 100);

    public void init() {
        addMouseListeners();
    }

    public void run() {
        add(rect, 200, 200);
    }

    public void mouseMoved(MouseEvent e) {
        int x = e.getX();
        int y = e.getY();
        rect.setLocation(x, y);
    }
}