how do i use java to actually build the app "window".

Question

how do i create a window for my code to
display on so i can make a fully functioning application.

Answer 1

You can use a gui framework like JavaFX or Swing, tutorials can be found easily o the internet.

Unfortunately, none of the gui frameworks will work on the code playground.

Answer 2

@Tashi N
thank you.

Answer 3

Download android studio on your desktop.