I created a simple Java Swing project, built it and immediately noticed a lot of differences compared to the other tutorials I saw.
My diretory
What I expected to find

And on top of that, the generated .Jar file simply doesn’t happen when I try to run it, even through Java or by transforming it into an executable. Which is strange since it works normally when I test it using the IDE itself.

OBS: I’m using Apache Netbeans IDE 21.

I tried turning it into an .exe file and nothing worked.