Applet facts for kids
An applet is a type of program for computers. It is software. Very often, applets are written in Java. People run them in their Web browser. They are used to display a scrolling menu on a website, for example, the applet is also used to show some applications. In Java, there is a class called "Applet," which is extended when writing applets.
Applet Facts for Kids. Kiddle Encyclopedia.