This web page is an example using JSP and BEANs.

Guess my favorite two colors

If you fail to guess both of them - you get yellow on red.

If you guess one of them right, either your foreground or your background will change to the color that was guessed right.

Guess them both right and your browser foreground/background will change to my two favorite colors to display this page.

Color #1:
Color #2: