The JDK includes the JRE as well as other software that is required for writing, developing, and compiling Java applications and applets. JRE is an implementation of the Java Virtual Machine (JVM), which allows you to run compiled Java applications and applets.
There are two different Java SE packages that can be installed: the Java Runtime Environment (JRE) and the Java Development Kit (JDK). Almost all open source Java software is designed to run with Java SE. This tutorial is focused on Java SE (Java Platform, Standard Edition). There are three different editions of the Java Platform: Standard Edition (SE), Enterprise Edition (EE), and Micro Edition (ME). You can learn how to configure a regular user account by following the steps in our initial server setup guide for Rocky Linux 8. Prerequisitesīefore you begin this guide, you should have a regular, non-root user with sudo privileges configured on your server – this is the user that you should log in to your server as. This tutorial covers installing the latest, default version of Java, as well as cherry-picking any older versions for installation, and switching between multiple versions in your environment as needed. Java is a popular programming language and software platform that allows you to run many server-side applications.
This tutorial will show you how to install Java on current versions of RPM-based Linux distributions: Red Hat Enterprise Linux, CentOS, Fedora, and Rocky Linux.
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