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Yes, it really is simple, essentially cookbook once you understand a few basic techniques and can vary them to fit different situations.

1. You can use either of these methods:
...

Thrown together hastily, but I hope completely and with sufficient comments to give you insight into what's going on. Ask questions as needed.
import java.awt.Color;
import java.awt.Dimension;...

Do you mean using Swing and the more modern techniques, or fixing what you have?

Edit: Never mind. I'll build you a modern example that does what you describe.

Why aren't you using Swing and the more up-to-date techniques that go along with it?