Oracle JDK – It is a version fully developed by Oracle Corporation and it has some licensing implications. It is free to use under GNU General Public License (GNU GPL) version 2. Support is provided only for the latest version of the OpenJDK. If you need to A new version of OpenJDK is release every six months. JDK is a Java Development Kit which consists of all the necessary things to develop a Java program. Open JDK – It is a free and opensource implementation of the Java SE Platform Edition developed by Oracle, OpenJDK and the Java community. It is sufficient to install Java Runtime Environment (JRE) if you just want to run the Java based programs and no need to use any Java developer Tools. JRE – It is a Java runtime environment which is used to run the Java based applications. It is important to understand the difference between jdk vs OpenJDK and Oracle JDK before you install and use it. – Upgrade the packages in the server to the latest versions using sudo apt upgrade.– Update the packages list in the server which is upgrade-able using sudo apt update.If you do not have servers in the cloud, Create an AWS EC2 Ubuntu server instance by following the guide How to launch an EC2 Instance.Prerequisitesīefore you start, you’ll need the following. Installing Java is to Install Java Development kit on Ubuntu. In this tutorial, you’ll learn difference between JRE, Open JDK and Oracle JDK, install Java Runtime Environment on ubuntu and install java on Ubuntu 20.04 and set java_home path on Ubuntu 20.04 step by step. Java is a class based, object oriented programming language which is widely used to develop enterprise class applications.
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