JButton symbol not found

Question

I know this won't work on SL Playground,
but,, does anyone know a solution to this? I looked it up and the solutions they say on internet don't work for me—
https://code.sololearn.com/c0434U0c6ZlR/?ref=app

Answer 1

Woo Hoo! Martin Taylor It's so good to see you after such a long break. 👌
Hope to see more of your great answers. 🤓

Answer 2

In your code, you define one JButton as Jbutton, instead of JButton.