Install librxtx-java by entering the following commands in the terminal:
sudo apt update sudo apt install librxtx-java
Description:
Full Java CommAPI implementation
RXTX is a full implementation of the Java CommAPI from Sun. It contains native libraries providing serial and parallel communication for the Java Development Toolkit.
Homepage: https://github.com/rxtx/rxtx
Version: 2.2pre2+dfsg1-1
Section: universe/libs