Install substance-doc by entering the following commands in the terminal:
sudo apt update sudo apt install substance-doc
Description:
cross-platform look & feel for Swing applications - documentation
The goal of this project is to provide a configurable and customizable production-quality Java look and feel library for Swing applications. This Java look and feel is available for JDK 5.0+ only. . This package contains API documentation (Javadoc) for substance.
Homepage: https://github.com/Insubstantial/insubstantial
Version: 7.3+dfsg3-3
Section: universe/doc