Let me show you how. First, we’re going to install Java 17 and Java 18, so you can see how the switching is done. To install Java 17, open a terminal window and issue this command: ...

While Ubuntu does not come with Java’s JDK preinstalled, it does come prepackaged with the ability to easily install Java with the apt command. How to install Java on Ubuntu To quickly install Java on ...

Jack Wallen demonstrates how to install software from the command line on Ubuntu, AlmaLinux, Arch Linux, and openSUSE.

To install Java 8 on a Ubuntu-based desktop distribution, log into the machine, open a terminal window, and issue the command: sudo apt install openjdk-8-jdk -y ...

If Java is not recognized as internal or external command, you need to make sure that the installation is not problematic and its path is recognized as system variables.