'This is not so jumpy!'
Below that would be the word 'tick' or 'tock', alternating every second.
Under that is a circle with a segment slowly increasing in size from 0 to 360 degrees.
It differs from the previous example in being buffered, so doesn't flicker the same way.
So you aren't really missing much.
This applet uses double-buffering to remove the flicker.
Click on the link to download a zip file containing this web page, the java class file, and the java source file: Buff.zip: - approx 3.2K.