How to Install Java 21 on Ubuntu 24.04/22.04 

Welcome to our step-by-step tutorial on how to install Java 21 on your Ubuntu 24.04 or 22.04 system! Java 21 comes packed with new features and enhancements, and getting it up and running on your Ubuntu machine is simpler than you might think.
In this video, we'll walk you through the installation process, ensuring you have everything you need to run Java applications smoothly on your Ubuntu system.
Command
wget hts://download.oracle.com/java/21/latest/jdk-21_linux-x64_bin.deb (add https)
sudo apt install ./jdk-21_linux-x64_bin.deb
sudo update-alternatives --config java