How to Install JAVA 8 (JDK 8u121) on Ubuntu via PPA

Java and the JVM (Java’s virtual machine) are widely used and required for many kinds of software. Webupd8 Team is maintaining a PPA repository with installer scripts for the latest Java 8. The installer provides Oracle Java 8 on Ubuntu (which includes Java JDK, JRE and the Java browser plugin). You can download the latest package from official download page.

This article will help you to Install Oracle JAVA 8 on Ubuntu using PPA.

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Step #1 Add The Webupd8 Team PPA

To install JAVA 8 on Ubuntu, we need to add webudp8team Java PPA repository in our system. Run the following command to add the Webupd8 PPA.

$ sudo add-apt-repository ppa:webupd8team/java
$ sudo apt-get update

Step #2 Installing Java 8 on Ubuntu

After, adding webupd8team Java PPA repository in your system, install Oracle Java 8 using following command.

$ sudo apt-get install oracle-java8-installer

Step #3 Verify Installed Java Version

At this stage you have successfully installed oracle Java on your Ubuntu system. To verify installed version of JAVA on your system.

$ java -version

java version "1.8.0_121"
Java(TM) SE Runtime Environment (build 1.8.0_121-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode, sharing)

Step #4 Configuring Java Environment

In Webupd8 PPA repository also providing a package to set environment variables, Install this package using the following command.

$ sudo apt-get install oracle-java8-set-default

References:
https://launchpad.net/~webupd8team/+archive/java

Enjoy it!