How to install Java (the default JDK) on Ubuntu

Ubuntu (16.04 / 17.10 / 18.04) Terminal Command

sudo add-apt-repository ppa:linuxuprising/java
sudo apt update
sudo apt install oracle-java10-installer
sudo apt install oracle-java10-set-default
javac -version



Install Oracle Java JDK 10 on Ubuntu 16.04 / 17.10 / 18.04 via PPA


The easiest way to install Oracle Java JDK 10 on Ubuntu is via a third party PPA… To add that PPA, run the commands below

sudo add-apt-repository ppa:linuxuprising/java

After running the commands above, you should see a prompt to accept the PPA key onto Ubuntu… accept and continue

Continue below to install Java 10…
Step 2: Download Oracle Java 10 Installer

Now that the PPA repository has been added to Ubuntu, run the commands below to download Oracle Java 10 installer…. the installer should install the latest Java JDK 10 on your Ubuntu machines.

sudo apt update
sudo apt install oracle-java10-installer

When you run the commands above you’ll be prompted to access the license terms of the software… accept and continue..

JAVA JDK 10 Ubuntu install
Step 3: Configure Oracle JDK10 as Default

Set Oracle JDK8 as default, to do that, install the oracle-java10-set-default package. This will automatically set the JAVA env variable.

sudo apt install oracle-java10-set-default

The command above will automatically set Java 10 as the default… and that should complete your installation, you can check you java version by running following command.

javac -version

That’s it! You have successfully installed Oracle Java JDK 8 on Ubuntu 16.04 / 17.10 / 18.04 via PPA

Enjoy!