Overview
The easiest way to install JDK 1.8 is to use the PPA (Personal Package Archive) provided by webupd8.org – see resources 1.
Procedure
To install package using PPA, “add-apt-repository” is required. If add-apt-repository is not already installed, install “software-properties-common” package first – which included add-apt-repository
>apt-get install python-software-properties
Add the WebUpd8 Oracle Java PPA repository
echo deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main | tee /etc/apt/sources.list.d/webupd8team-java.list echo deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main | tee -a /etc/apt/sources.list.d/webupd8team-java.list
Download the public key of the server where the package resides
apt-key adv –keyserver hkp://keyserver.ubuntu.com:80 –recv-keys EEA14886
Synchronize the package index files and install
apt-get update apt-get install oracle-java8-set-default
When prompted, click OK to accept the licence agreement.
Check installation upon completion
> javac -version javac 1.8.0_66 > java -version java version "1.8.0_66" Java(TM) SE Runtime Environment (build 1.8.0_66-b17) Java HotSpot(TM) Server VM (build 25.66-b17, mixed mode) > dpkg --list | grep java ii java-common 0.52 all Base of all Java packages ii oracle-java8-installer 8u66+8u65arm-1~webupd8~1 all Oracle Java(TM) Development Kit (JDK) 8 ii oracle-java8-set-default 8u66+8u65arm-1~webupd8~1 all Set Oracle JDK 8 as default Java