Install Java Yum !link! -

java -version If not installed, you’ll see command not found . List all Java-related packages:

java -version Sample output:

sudo yum search openjdk Or search for a specific version: install java yum

sudo yum install oraclelinux-release-el8 sudo yum install java-11-oraclejdk-devel For other distributions, download the RPM from Oracle JDK Downloads and install:

sudo yum list installed | grep openjdk Remove a specific package: java -version If not installed, you’ll see command

sudo yum update -y : On RHEL 8+ and derivatives, yum is symlinked to dnf . Both commands work interchangeably. 3.2. Check Existing Java Installations Verify if Java is already present:

sudo yum remove '*openjdk*' Official Oracle Java RPMs are not in standard repos. Use the Oracle Linux repository or download manually. sudo yum list available | grep -i java

sudo yum list available | grep -i java Option A: Install Headless JRE (Minimal runtime, no GUI) sudo yum install java-11-openjdk-headless Option B: Install Full JRE (Includes sound, graphics support) sudo yum install java-11-openjdk Option C: Install JDK (For development) sudo yum install java-11-openjdk-devel Option D: Install a Different Java Version Replace 11 with another version, e.g., 8 , 17 , 21 :