Install openjdk-11-jre-headless by entering the following commands in the terminal:
sudo apt update sudo apt install openjdk-11-jre-headless
Description:
OpenJDK Java runtime, using Hotspot JIT (headless)
Minimal Java runtime - needed for executing non GUI Java programs, using Hotspot JIT.
Homepage: http://openjdk.java.net/
Version: 10.0.1+10-3ubuntu1
Section: java