Manually Install Java on Ubuntu 18.04.1

How to manually install Java on Ubuntu:

Check next steps:

Step 1:

Download JDK from Oracle page, Link

https://www.oracle.com/technetwork/java/javase/downloads/java-archive-javase9-3934878.html

Step 2:

For example I'm install JDK 9, but others version is similar.

Choose  file --> .tar.gz

 


Step 3:

Extract file on next path.

/usr/lib/jvm

Step 4:

Run next comands:

sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/YOUR_JDK/bin/java 0

sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/YOUR_JDK/bin/javac 0

sudo update-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/YOUR_JDK/bin/javaws 0

Step 5: Configuration, Choose your version java, javac and javaws.

sudo update-alternatives --config java

sudo update-alternatives --config javac

sudo update-alternatives --config javaws

Check the image, below: