Installing Java on Ubuntu (Linux) Machine

Java Install

Steps for Installing JAVA 8 on Ubuntu

Step 1 – Install Java 8 on Ubuntu

The OpenJDK 8 is available under default Apt repositories. You can simply install Java 8 on an Ubuntu system using the following commands.

sudo apt update
sudo apt install openjdk-8-jdk -y

Step 2 – Verify Java Installation

You have successfully installed Java 8 on your system. Let’s verify the installed and current active version using the following command.

java -version
openjdk version "1.8.0_252"
OpenJDK Runtime Environment (build 1.8.0_252-8u252-b09-1ubuntu1-b09)
OpenJDK 64-Bit Server VM (build 25.252-b09, mixed mode)

Step 3 – Setup JAVA_HOME and JRE_HOME Variable

As you have installed Java on your Linux system, You must have to set JAVA_HOME and JRE_HOME environment variables, 

Edit the system Path file /etc/profile

sudo nano /etc/profile

Add following lines in the end and Save file

JAVA_HOME=/usr/lib/jvm/jdk1.7.0
PATH=$PATH:$HOME/bin:$JAVA_HOME/bin
export JAVA_HOME
export JRE_HOME
export PATH

Then Log out and Log in to ubuntu for setting up the paths.

By Bhavesh

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