In this tutorial we will show you how to install Java on Ubuntu 19.04. For those of you who didn’t know, Java is a programming language and computing platform. It was first released by Sun Microsystems in 1995. Many programs and scripts that require Java to run it, but usually Java are not installed by default on a VPS or Dedicated Server.
This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo’ to the commands to get root privileges. I will show you through the step by step installation JRE (Java Runtime Environment) and JDK (Java Development Kit) on 19.04 Disco Dingo.
Install Java on Ubuntu 19.04 Disco Dingo
Step 1. First make sure that all your system packages are up-to-date by running these following apt-get commands in the terminal.
sudo apt update sudo apt upgrade
Step 2. Installing Java on Ubuntu 19.04
- Method 1.
Using Webupd8 Team’s PPA repository we can install Java on Ubuntu automatically using the apt command:
sudo add-apt-repository ppa:linuxuprising/java sudo apt update sudo apt install oracle-java13-installer
To set Oracle JDK13 as default, install the “oracle-java13-set-default” package:
sudo apt install oracle-java13-set-default
Confirm your Java version:
$ java -version java version "12.0.1" 2019-12-16 Java(TM) SE Runtime Environment (build 12.0.1+12) Java HotSpot(TM) 64-Bit Server VM (build 12.0.1+12, mixed mode, sharing)
Set Java environment:
export JAVA_HOME=/usr/lib/jvm/java-13-oracle export PATH=$PATH:$JAVA_HOME/bin
Update your environment:
- Method 2.
Run the following commands to install the Oracle JDK by Oracle:
sudo apt install openjdk-12-jdk
Now, run the following command to check whether OpenJDK is working correctly:
$ java -version
Congratulation’s! You have successfully installed Java. Thanks for using this tutorial for installing Oracle Java (JRE or JDK) on 19.04 Disco Dingo system. For additional help or useful information, we recommend you to check the official Java website.