Java JDK Installing and Removing in Linux

Anytime with following command in Linux terminal you get to know the version of Java JDK installed

java --version

Installation

There are two Java deployments available for you install
(1) Oracle Java (oracle-java) (2) Java Open SDK (openjdk)

OpenJDK

Most of the linux distributions either come installed with OpenJDK however just in-case if you get it pre-installed, you can run below command to get it easily.

sudo apt-get install openjdk-default

Oracle JDK

Add the repository first
sudo add-apt-repository ppa:linuxuprising/java

Update the changes
sudo apt-get update

Initiate installer
sudo apt install oracle-java11-installer

Then set the installed version of Java as default
sudo apt install oracle-java11-set-default

Now, running below command can help you check that the installation was successful
java --version

Uninstallation

Below link has the detailed information:
https://novicestuffs.wordpress.com/2017/04/25/how-to-uninstall-java-from-linux/

Comments

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Pavan Gayakwad

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