This product is about how to create http server using Java programming language. The source code contains only Java code to build the http server. This server allows you to deploy multiple static websites.
If you want to deploy single static web application then you can read tutorial here.
webapps directory contains the static web sites
To access different websites, use URLs formats as http://<host>:<port>/<root directory name>, for example, http://localhost:8888/justice, http://localhost:8888/apps etc.