Here’s a step-by-step write-up on installing Java using yum on a RHEL-based Linux distribution (such as CentOS, Rocky Linux, AlmaLinux, or Amazon Linux). 1. Overview Java is a essential runtime and development environment for many applications. On Red Hat-based systems, yum (or dnf on newer versions) provides an easy way to install various Java versions, including OpenJDK (the open-source reference implementation) and, optionally, Oracle Java (via third-party repos).
sudo yum install java-latest-openjdk Or for the latest JDK: install java yum
sudo yum install java-17-openjdk-devel On many systems, you can install the default Java set by the distribution: Here’s a step-by-step write-up on installing Java using