❖ Introduction
↪ Java is widely used and required for many kinds of software.This article will guide you through the process of installing and managing different versions of Java.❖ Install Default JAVA
↪ The easiest option for install Java is using Terminal.- First, Update and Upgrade the package index.
- $ sudo apt-get update
- $ sudo apt-get upgrade
- Next, install Java Runtime Environment (JRE).
- $ sudo apt-get install default-jre
- After that, install Java Development Kit (JDK).
- $ sudo apt-get install default-jdk
↪ Now, you can check your java is installed or not.
- $ java --version
❖ Install Oracle Java
↪ If you want to install the Oracle JDK, which is the official version distributed by Oracle, you will need to follow a few more steps.
- First, add Oracle's PPA
- $ sudo add-apt-repository ppa:webupd8team/java
- $ sudo apt-get update
- Then, depending on the version you want to install.
- For Oracle JDK8
- $ sudo apt-get install oracle-java8-installer
- For Oracle JDK9
- $ sudo apt-get install oracle-java9-installer
↪ Now, you can check your java Version.
- $ java --version
❖ Install Oracle Java 11
↪ If you want to install Oracle JDK 11, you will need to follow this steps.
- First, add PPA
- $ sudo add-apt-repository ppa:linuxuprising/java
- $ sudo apt-get update
- Then,run commands to install the script to start downloading and installing Java 11 on your Ubuntu.
- $ sudo apt-get install oracle-java11-installer-local
- Before getting Started,you must accept the license
- press TAB to highlight OK and hit Enter/SpaceBar
↪ Now, you can check your jdk11 is installed or not.
- $ java --version
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