GNU/Linux Ubuntu 20.04 Installing Oracle JDK – Step by step Guide
The tutorial shows you step-by-step How to Download and Install Oracle JDK in Ubuntu 20.04 Focal LTS 64-bit GNU/Linux desktop/Server.
And Java SE 11 for Ubuntu 20.04 is the first Long Term Support feature release for the Java SE Platform.
Especially relevant: with the New Deb Package it’s Now Easier to Setup the Java Development Kit on Ubuntu/Debian-based OSes.
Finally, the guide includes instructions on How to Switch the Java Version on Ubuntu 20.04.

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1. Launching Terminal
Open a Terminal Shell Emulator
Ctrl+Alt+t on desktop
(Press “Enter” to Execute Commands)
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