Step-by-step – OpenJDK 15 Installation in Arch Linux

Installing

2. 2. Installing AUR Package Manager

   How to Install Yay for Arch GNU/Linux

   Installing Yay Aur Package Installer

   Yay Arch Linux Setup Guide

3. 3. Installing OpenJDK 15

   Then to Install OpenJDK 15 in Arch
   For the JRE simply run:

   yay -S --noconfirm jre

   When for the JDK instead:

   yay -S --noconfirm jdk

   On Prompt try simply to Hit “Enter” and follow with the Default Choices.
   Possibly to Accept the License Agreement Hit “q”.
   In case of any Issue and for further insight see: AUR jre or AUR jdk.