Ubuntu 16.04/linux installs Oracle Java 8 tutorial

Oracle Data installation package download

https://www.oracle.com/downloads/

Java 8 installation package download

Https://launchpad.net/~webupd8team/+archive/ubuntu/java

Check if Java has been installed

$ java-version
Java Version "1.7.0_95"
OpenJDK Runtime Environment (IcedTea 2.6.4) (7u95-2.6.4-0ubuntu0.15.10.1)
OpenJDK 64-bit Server VM (build 24.95-b01, Mixed mode)

1. Setup the PPA

$ sudo apt-add-repository Ppa:webupd8team/java
$ sudo apt-get update

2. Start installing Java 8 Installer

$ sudo apt-get install Oracle-java8-installer

$ java-version
Java Version "1.8.0_91"
Java (TM) SE Runtime Environment (build 1.8.0_91-b14)
Java HotSpot (TM) 64-bit Server VM (build 25.91-b14, Mixed mode)

3. Install Oracle Java

$ sudo apt-get install Oracle-java8-set-default

4. Installation of OPENJDK Package

$ sudo apt-get purge openjdk-*