That’s perfect! I never found a method like this, although I suspected it was something that was straight forward. Just seemed that EVERYBODY had trouble with it, hence why webupd8team stepped in. Here is the command list I used to get up and running on 8u202:
Download Java8 form
https://www.oracle.com/technetwork/java/javase/downloads/java-archive-javase8-2177648.html
https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
sudo mkdir /usr/java
cd /usr/java
sudo tar xf ~/jdk-8u202-linux-arm32-vfp-hflt.tar.gz
sudo update-alternatives --install /usr/bin/java java /usr/java/jdk1.8.0_202/bin/java 1000
sudo update-alternatives --install /usr/bin/javac javac /usr/java/jdk1.8.0_202/bin/javac 1000
Set the defaults (if you want to)
sudo update-alternatives --config javacsudo update-alternatives --config javaCode:
java -version ; javac -version
java version "1.8.0_202"
Java(TM) SE Runtime Environment (build 1.8.0_202-b08)
Java HotSpot(TM) Client VM (build 25.202-b08, mixed mode)
javac 1.8.0_202
