Tecadmin published a tutorial about installing the Apache NetBeans IDE on Ubuntu 20.04 LTS.
How to Install NetBeans on Ubuntu 20.04
NetBeans is a popular IDE for the Java application development. Which allows applications to be developed from a set of modular software components called modules. NetBeans is available to run on popular operating systems like Windows, macOS, Linux and Solaris systems. Prerequisites Apache NetBeans IDE requires Java 8 or later Java Development Kit installed on your system.
How to Install NetBeans on Ubuntu 20.04