Install Java 8 (both JDK8 and JRE8) in Debian

Original post : http://www.webupd8.org/2014/03/how-to-install-oracle-java-8-in-debian.html

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
apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys EEA14886
apt-get update
apt-get install oracle-java8-installer

#There is a package in our repository that automatically sets the Java 8 environment variab#les and sets JDK8 as the default JDK

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

#to check

java -version

#java version "1.8.0_60"
#Java(TM) SE Runtime Environment (build 1.8.0_60-b27)
#Java HotSpot(TM) 64-Bit Server VM (build 25.60-b23, mixed mode)

javac -version

#javac 1.8.0_60

How to accept the Oracle JDK8 license automatically

you can use the following command:

echo oracle-java8-installer shared/accepted-oracle-license-v1-1 select true | sudo /usr/bin/debconf-set-selections