You can apply your applet coding knowledge with the following activities:
Write an applet in which the text that is displayed moves each time the applet window is repainted.
Install the Java Plug-in with your preferred browser, if you're on a Windows or Solaris system, and try the sample applets provided from Sun's Java Plug-in page.
To see a Java program that implements the first activity, visit the tutorial's website at http://www.java24hours.com.