Command line work?

Question

Java

Good day.
In the process of studying, a question appeared in my head: Why work on the command line?
So, I noticed that in almost all JAVA lessons, for beginners, the introduction goes like working on the command line. Why don’t they go straight to the IDE? I would like to know what the work on the command line is for and what does it give (should) we understand?
Thank you!

Answer 1

There are just different kinds of interfaces. Most popular:
CLI (commands, arguments, options)
GUI (windows, menus, scroll)
Dialog (menus, select/radiobutton options) that can be drawn with both text and graphics
Panel (eg file managers).
CLI is a very simple and very flexible interface. Many programs do not need a GUI, and a CLI interface is more than sufficient for such programs. Also, through the CLI, you can perfectly integrate some programs with others.
This is in short so that you do not confuse that the CLI is worse or more primitive than the GUI. These are just different directions, and the fact that the CLI is still actively alive shows that it is not outdated, but simply lives perfectly in its niche.