OpenJDK 21 Installation in Ubuntu 20.04 – Step-by-step

October 24, 2023 | By the+gnu+linux+evangelist.

GNU/Linux Ubuntu 20.04 Installing Java OpenJDK 21 – Quick-Start Guide

Hi! The Tutorial shows you Step-by-Step How to Install Oracle-Sun OpenJDK 21 LTS JRE/JDK in Ubuntu 20.04 Focal LTS 64-bit GNU+Linux Desktop/Server.

And Java OpenJDK (Open Java Development Kit) is a Free and Open Source Implementation of the Java Platform, Standard Edition (Java SE).

Furthermore, the Oracle Java JDK/JRE is based on the OpenJDK Source Code. In Addition, it contains Closed-Source Components.

Finally, OpenJDK 21 is the fourthJava Long Term Support Release.

How to Install OpenJDK 21 on Ubuntu 20.04 GNU/Linux - Featured
  1. 1. Terminal Getting-Started Guide

    How to Quick-Start with Command Line on Ubuntu GNU/Linux:

    Console Ubuntu QuickStart Guide


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