Error after adding a Jbutton the whole class goes nuts and says the class cannot be found just because of adding another button

Question

there are already 2 buttons available which is save and display but when I am trying to add a close button the whole program becomes full of errors which is the class I mean please help this is kinda confusing and I'm new to Java

Answer 1

Thanks a lot for ur reply I have posted not in a correct manner I'm learning java since yesterday morning and this is me after 4 hours it was a simple bracket mistake thanks a lot for the reply #grateful 🙏