Install substance-swingx-doc by entering the following commands in the terminal:
sudo apt update sudo apt install substance-swingx-doc
Description:
Swingx componennts for substance L&F (documentation)
The goal of this project is to provide a consistent apperance for SwingX components (see libswingx-java) under the substance (see substance) look-and-feel. This package contains API documentation (Javadoc) for substance-swingx.
Homepage: https://github.com/Insubstantial/insubstantial
Version: 7.3+dfsg3-3
Section: universe/doc