You're quite welcome! So, out of curiosity, what class did you have Four extend?
Type: Posts; User: curmudgeon
You're quite welcome! So, out of curiosity, what class did you have Four extend?
You should check the error message in detail, and post it here as it will tell you what you're doing wrong. You need to add a Component or one of its children to a JFrame, and your Four class doesn't...