GNU/Linux Pop!_OS 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 Pop!_OS LTS 64-bit GNU+Linux Desktop.
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.
1. Terminal Getting-Started Guide
How to Quick-Start with Command Line on Pop!_OS GNU/Linux:
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