Install java on ubuntu

Installing default jre/jdk

sudo apt update

sudo apt install default-jre

sudo apt install default-jdk

Installing openjre/jdk 7

sudo apt-get install openjdk-7-jre 

sudo apt-get install openjdk-7-jdk

Installing Oracle java

sudo apt-get install python-software-properties

sudo add-apt-repository ppa:webupd8team/java

sudo apt-get update

sudo apt-get install oracle-java6-installer

sudo apt-get install oracle-java7-installer

sudo apt-get install oracle-java8-installer

Managing java

sudo update-alternatives --config java

sudo update-alternatives --config javac

Setting JAVA_HOME

sudo vi /etc/environment

JAVA_HOME="YOUR_PATH"

Written on December 1, 2016