Scribble

public class Scribble extends Applet
{
    private int last_x = 0, last_y = 0;  // Fields to store a point in.
 
    // This method displays the applet.
    // The Graphics class is how you do all drawing in Java.
    public void paint(Graphics g) {
      g.drawString("Click near here to scribble", 25, 50);
    }

  // Called when the user clicks.
  public boolean mouseDown(Event e, int x, int y) {
    last_x = x; last_y = y;            // Remember the location of the click.
    return true;
  }

  // Called when the mouse moves with the button down
  public boolean mouseDrag(Event e, int x, int y)  {
    Graphics g = getGraphics();        // Get a Graphics to draw with.
    g.drawLine(last_x, last_y, x, y);  // Draw a line from last point to this.
    last_x = x; last_y = y;            // And update the saved location.
    return true;
  }
}