Install Oracle Java (OpenJDK) 13 on CentOS 8

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Follow through this guide to learn how to install Oracle Java (OpenJDK) 13 on CentOS 8. JDK 13 is an open-source implementation of version 13 of the Java SE Platform.

Install Oracle Java (OpenJDK) 13 on CentOS 8

Download Oracle Java (OpenJDK) 13 RPM binary

Navigate to Official Oracle Java 13 downloads page and download the latest Java 13 RPM binary. You can simply get the link and use wget to download it.

wget --no-check-certificate -c --header "Cookie: oraclelicense=accept-securebackup-cookie" https://download.oracle.com/otn-pub/java/jdk/13.0.1+9/cec27d702aa74d5a8630c65ae61e4305/jdk-13.0.1_linux-x64_bin.rpm

Install Java 13 on CentOS 8

Once you get the RPM binary, you can install it by executing the command below;

dnf localinstall jdk-13.0.1_linux-x64_bin.rpm
Dependencies resolved.
=======================================================================================================================================================
 Package                            Arch                           Version                                  Repository                            Size
=======================================================================================================================================================
Installing:
 jdk-13.0.1                         x86_64                         2000:13.0.1-ga                           @commandline                         163 M

Transaction Summary
=======================================================================================================================================================
Install  1 Package

Total size: 163 M
Installed size: 308 M
Is this ok [y/N]: y
Downloading Packages:
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
  Preparing        :                                                                                                                               1/1 
  Installing       : jdk-13.0.1-2000:13.0.1-ga.x86_64                                                                                              1/1 
  Running scriptlet: jdk-13.0.1-2000:13.0.1-ga.x86_64                                                                                              1/1 
  Verifying        : jdk-13.0.1-2000:13.0.1-ga.x86_64                                                                                              1/1 

Installed:
  jdk-13.0.1-2000:13.0.1-ga.x86_64                                                                                                                     

Complete!

Once the installation is done, you should be having the Java files in their right directories.

Verify Java 13 installation

You can run java –version command to check your Oracle Java version.

java --version
java 13.0.1 2019-10-15
Java(TM) SE Runtime Environment (build 13.0.1+9)
Java HotSpot(TM) 64-Bit Server VM (build 13.0.1+9, mixed mode, sharing)

If you have other Java versions installed, you can run the command below to make Java 13 the default Java version.

alternatives --config java

For example, the output below shows that there is only one Java version installed. If there were other versions, you would see them numbered and you would select specific number of a version to make it the default.

There is 1 program that provides 'java'.

  Selection    Command
-----------------------------------------------
*+ 1           /usr/java/jdk-13.0.1/bin/java

Enter to keep the current selection[+], or type selection number: ENTER

Create Java Environment Variable

To create Java environment variable, edit the /etc/environment file and add the line below;

echo 'JAVA_HOME="/usr/java/jdk-13.0.1"' >> /etc/environment

Source the /etc/environment file to reload the environment variables.

source /etc/environment

Verify the environment variable setting.

echo $JAVA_HOME
/usr/java/jdk-13.0.1

That is all about how install Java 13 on CentOS 8. Enjoy coding.

You can also check our other guide on installing Oracle Java by following the links below;

Install Oracle Java 12 on Debian 10

Install Java 11 on Debian 9.8/Ubuntu 18.04

Install Oracle Java 11 on Fedora 29/CentOS 7

Install Oracle Java 12 on CentOS 7/Fedora 29

How to Manually Install Oracle Java 12 on Debian 9.8/Ubuntu 18.04

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