import java.awt.*;
import java.applet.Applet;

public class graphicsDemo extends Applet 
{
int ox=0, oy=0;
	public void paint (Graphics g)
	{
		g.setColor (Color.blue);
		g.fillRect( 0,0, 100, 100);
		g.setColor (Color.pink);
		g.fillRect( 25,25, 50, 50);
	}

	public boolean mouseMove(Event e, int x, int y){
		Graphics g = getGraphics();
 		g.drawLine(x,y,ox,oy);	
		ox = x; 
 		oy = y;
		return true;	
	}
}