https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html
$ ls jdk*
jdk-8u321-linux-x64.tar.gz
$ tar -xvzpf jdk-8u321-linux-x64.tar.gz
$ sudo mv jdk1.8.0_321/ /opt/
$ sudo ln -s /opt/jdk1.8.0_321/ /opt/jdk
$ rm jdk-8u321-linux-x64.tar.gz
$ sudo vi /etc/profile.d/java8.sh
#### JDK #######################
export JAVA_HOME=/opt/jdk
export PATH=${JAVA_HOME}/bin:$PATH
#### JDK #######################
$ sudo chmod 755 /etc/profile.d/java8.sh
$ source /etc/profile.d/java8.sh
Essayons de vérifier le résultat:
$ java -version
java version "1.8.0_281"