Introducing Java
This introduces the Java language to people who are Turing-complete in Python. You will begin by learning how to write and run a simple program. If you do not have a Java Development Kit, go here for an installer.
Go here to get openjdk15.
https://adoptopenjdk.net/?variant=ope...
At 10:30, you learn about the JVM.
At 14:20, you will learn about jshell.
This also show how to write a very simple class and inspect it in shell. Java and Python classes are compared at a very basic level. A very simple Point class is also created.