Here's the applet drawing a line:
<applet code="GraphicsApplet.class" width=200 height=200>
<param name=shape value="Line">
<param name=color value="00ff00">
</applet>
<applet code="GraphicsApplet.class" width=200 height=200>
<param name=shape value="Rectangle">
<param name=color value="aa0f22">
</applet>
<applet code="GraphicsApplet.class" width=200 height=200>
<param name=shape value="String">
<param name=color value="ff00ff">
<param name=text value="Applets are forever">
</applet>
<applet code="GraphicsApplet.class" width=200 height=200>
<param name=shape value="Image">
<param name=image value="images/duke.gif">
</applet>
Here's the source: GraphicsApplet.java