To add the environment variable, create a file in the directory /etc/profile.d: vim /etc/profile.d/java.sh profile.d]# cat java.sh The JAVA_HOME is used by some Java applications to determine where Java is installed and to specify the Java version used to run the application. In my case I chose version 11 : ~]# alternatives -config java

If you wish to specify another version, enter the corresponding number. This command shows you the versions installed on your system and the one started by default (java-1.8.0-openjdk.x86_64 in my case) If you have installed more than one version and you want a specific version to be started by default, use the following command : ~]# alternatives -config java You can install a minimal version of OpenJDK 8 by typing the command below : ~]# dnf install java-1.8.0-openjdk-headless Set the default version of java : OpenJDK 64-Bit Server VM (build 25.222-b10, mixed mode) OpenJDK Runtime Environment (build 1.8.0_222-b10) Version 8 is still used and supported, if your applications require version 8 you can install it with the command below : ~]# dnf install java-1.8.0-openjdk-devel

You can install a minimal version of OpenJDK 11 by typing the command below : ~]# dnf install java-11-openjdk-headless Installing OpenJDK 8 : OpenJDK 64-Bit Server VM 18.9 (build 11.0.12+7-LTS, mixed mode, sharing)Īs you can see, the version I installed is 11.0.12. OpenJDK Runtime Environment 18.9 (build 11.0.12+7-LTS) Once the installation is complete, check the version : ~]# java -version Use dnf command below as root (or with sudo if you are not logged in as root) : ~]# dnf install java-11-openjdk-devel In this tutorial, we’re gonna explain how to install one or more Java OpenJDK versions on CentOS 8. CentOS 8’s repository includes the latest two major versions of Java LTS, Java 8 and Java 11 by default.

Java 8 openjdk