GNU/Linux Kubuntu 20.04 Installing Oracle JDK Guide
Hi! The Tutorial shows you Step-by-Step How to Install Oracle Java Development Kit in Kubuntu 20.04 Focal LTS GNU/Linux.
And Java SE JDK for Kubuntu Focal is a Development Environment for Building Applications, and Components Using the Java Programming Language.
Moreover, the Java OpenJDK (Open Java Development Kit) is the Free and Open Source Implementation of the Java Platform, Standard Edition (Java SE).
Where the Oracle JRE/JDK is based on the OpenJDK Source Code. In Addition, it contains Closed-Source Components.