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As I said, it depends. You haven't provided enough info to give a definite answer.

Does the method printOne() have to be static? That may depend on how it's used, but IN GENERAL, no. It does not have to be static.

If I haven't understood your question, please try to be more...

In case you're not aware, the Java Tutorials are an excellent place to start, especially when answering questions in a very specific area.