Haw to solve this run time error

Question

https://code.sololearn.com/cY9z2xc8T1Uj/?ref=app

Answer 1

Do you mean the X11 display error? Did you try it on your computer?

This won't work om sololearn. X11 is a display server that Linux uses. The code is probably running on a Linux based server without X11 installed.

Mac and Windows doesn't use X11. But Swing should have bindings for those platforms.

Answer 2

Oo okay

Answer 3

Use desktop instaled java