Why this code is not working in code playground? 😑

Question

https://code.sololearn.com/cQPJsgwr3kTK/?ref=app

Answer 1

Well , Sololearn' Code playground cannot run awt.
Run this code in an ide in your computer.

Answer 2

OK.. Thanks... 😊

Answer 3

@Martin_Taylor
I'm agreed with you that awt is old..
But javax swing package is not working on code playground....
That is my problem..
Why any packages not working in code playeground??? 😑