GNU/Linux Kubuntu Installing Java OpenJDK 17 – Step by step Guide
How to Install Oracle-Sun OpenJDK 17 LTS JRE/JDK in Kubuntu 64-bit GNU+Linux desktop/Server.
And Java OpenJDK 17 for Kubuntu Linux (Open Java Development Kit) is a Free and Open Source Implementation of the Java Platform, Standard Edition (Java SE).
Moreover, the Oracle Java JDK/JRE is based on the OpenJDK Source Code. In Addition, it contains Closed-Source Components.
Finally, OpenJDK 17 is the third Java Long Term Support Release.

1. Launching Shell Emulator
Open a Shell Terminal emulator window
Just start Typing “konsole” on desktop.
(Press “Enter” to Execute Commands)sudo apt update
Authenticate with the User Admin Pass.
If Got “User is Not in Sudoers file” then see: How to Enable sudo.
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