# CheerpJ example: FoilSim Applet This example shows how to use CheerpJ to run a Java applet in the browser. Find the step-by-step on our [documentation website](https://labs.leaningtech.com/cheerpj3/examples/applet). ## Credits The applet used for this tutorial belongs to the NASA's [Beginner's Guide to Aeronautics](https://www.grc.nasa.gov/WWW/K-12/airplane/) and it is available at their [GitHub repository](https://github.com/nasa/BGA/tree/main).