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What does this code do? Does it give you any errors? When do you initialize each of the components you're using?

I'd start here: Lesson: Laying Out Components Within a Container (The Java™ Tutorials > Creating a GUI With JFC/Swing)

But you have the basic idea down- you have a JFrame, which is the main...

Which part of this is giving you trouble? What have you tried? Where are you stuck?