The system displays a list of different Java versions. To set one as the default, use the command: sudo alternatives ––config java You might have 2 different versions of Java on your system. Once the installation finishes, you can check the Java version with the following: java -version Setting the Default Java Version Additionally, if your filename is different, use the filename of your download.ĩ.

Note: Replace user with the actual username. Here you will find all the Java download links for different versions of Java SE. Open a web browser and navigate to the Oracle download page. This requires creating an account on the Oracle website.ġ. When installing Oracle Java on CentOS 8, make sure to download directly from the official source, Oracle. Install OpenJDK 11 headlessby entering the following: sudo yum install java-11-openjdk-headlessįor OpenJDK 8 headlessrun: sudo yum install java-1.8.0-openjdk-headless Install Oracle JDK on CentOS 8 It uses minimal system resources and doesn’t include keyboard or mouse support. The headless option is a minimal runtime environment, without a graphical interface, more suitable for server applications. Just like OpenJRE, Java headless is part of OpenJDK and should not be installed on top of it. Installing OpenJDK HeadlessĪnother alternative to OpenJDK is only installing the headlessversion. The Runtime Environment comes with the Java Development Kit by default. Note: Remember – You don’t need to install OpenJRE if you already have OpenJDK.

How to install java 1.8 mac