Java Runtime Envirronement (JRE) Installation
A java runtime environnement (JRE) is required to use DiscoveryMat. Depend on the way you choose to install DiscoveryMat software, you need or don't need to install yoursel a JRE. According to the installation technique you have chosen, the JRE is already included in the DiscoveryMat software. You need only to install yourself a JRE in the folowing case:
Recommanded JRE version is 17.
Windows
For windows user, you can download a such java runtime JRE at this official link: Download 64 bits JRE
Tip
If the link above is no longer valid, enter the following keywords openjdk 17 download in your favorite browser. This keyworlds will help you to find yourself the required download site!
Linux Ubuntu Install
First, it can be usefull to uninstall old JRE/JDK version. See above section for uninstall. Note that DiscoveryMat requiert at least a 17 JRE.
Example : Ubuntu 22.04
sudo apt-get update
sudo apt-get install openjdk-17-jre
Linux Ubuntu Uninstall
Example : Ubuntu 22.04
You can previously uninstall older version by example like this:
sudo apt-get remove --purge oracle-java8-installer
sudo apt-get remove --purge openjdk-11-jdk
sudo apt-get remove --purge openjdk-11-jre
Tip
You can see installed version by example like this:
java -version
dpkg --list '*jdk*'
dpkg --list '*jre*'
dpkg --list '*oracle*'