Install default-jdk by entering the following commands in the terminal:
sudo apt update sudo apt install default-jdk
Description:
Standard Java or Java compatible Development Kit
This dependency package points to the Java runtime, or Java compatible development kit recommended for this architecture, which is openjdk-11-jdk for amd64.
Homepage: https://wiki.debian.org/Java/
Version: 2:1.10-63ubuntu1~02
Section: devel