TecAdmin published a tutorial about installing Tomcat 10 on Ubuntu 20.04.
How to Install Tomcat 10 on Ubuntu 20.04
Apache Tomcat is an open source web server with servlet container for publishing Java based web applications. Tomcat is developed and maintained by an open community of developers under the auspices of the Apache Software Foundation. As of today, Tomcat 10 is the latest stable version available for the installation on development and production environments.