How to Install Java 8 on Debian 9/8/7 via PPA

How do I 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. This tutorial will help you to Install Java 8 on Debian 9/8/7 systems using PPA and apt-get command.

The Ubuntu and LinuxMint users use below link to install Java 8 on their system.

• Read this => Install Java 9 on Debian
• Read this => Install Java 8 on Ubuntu & LinuxMint

Step 1 – Add Java 8 PPA

The webupd8 team has built a Java installer package for Debian systems. You need to add that PPA repository to your system for installing Java 8 on Debian.

Create a new Apt configuration file /etc/apt/sources.list.d/java-8-debian.list, and edit 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

You are all set to start Java installation on Debian. Run the following commands to update apt-cache and then install Java 8 on Debian system using apt-get package manager.

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

The installer will prompt for accept Oracle terms in order to continue Java installation on Debian. Accept the terms and complete setup.

Step 3 – Verify Java Installation

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.

 java -version

java version "1.8.0_161"
Java(TM) SE Runtime Environment (build 1.8.0_161-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.161-b12, mixed mode)

Step 4 – Setup Java Environment

The Webupd8 PPA repository also provides 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