How to Install JAVA 8 on Debian 8/7 via PPA

Install Java 8 on Debian. The first Oracle Java 8 stable version was released on Mar 18, 2014 and available to download and install. Oracle Java PPA for Debian systems is being maintained by Webupd8 Team. JAVA 8 is released with many of new features and security updates. Ubuntu and LinuxMint users use below link to install Java 8 on their system.

• Read this => Install Java 8 on Ubuntu & LinuxMint
• Read this => Install Java 8 on CentOS, RHEL & Fedora

This article will help you to Install Java 8 or Upgrade Java 8 on Debian 8/7 system using PPA or apt-get command.

Step 1 – Add Java 8 PPA

First, you need to add webupd8team Java PPA repository in your system. Edit a new PPA file /etc/apt/sources.list.d/java-8-debian.list in text editor

$ sudo vim /etc/apt/sources.list.d/java-8-debian.list

and add following content in it.

deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main
deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main

Now import GPG key on your system for validating packages before installing them.

$ sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys EEA14886

Step 2 – Install Java 8 on Debian

Now use the following commands to update apt cache and then install Java 8 on your Debian system.

$ sudo apt-get update
$ sudo apt-get install oracle-java8-installer

Step 3 – Verify Java Version

Finally, you have successfully installed Oracle Java on your Debian system. Let’s use the following command to verify installed version of Java on your system.

[email protected]:~$ java -version

java version "1.8.0_144"
Java(TM) SE Runtime Environment (build 1.8.0_144-b01)
Java HotSpot(TM) 64-Bit Server VM (build 25.144-b01, mixed mode)

Step 4 – Setup 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