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^ ^ ^ ^ ^ ^ ^ ^ @ @ @ @ @ @ @ @ ^ ^ ^ ^ ^ ^ ^ ^
^ @ @ @ @ @ @ @ ^ @ @ @ @ @ @ @ ^ @ @ @ @ @ @ @ ^
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^ @ ^ @ @ @ @ @ ^ @ ^ @ @ @ @ @ ^ @ ^ @ @ @ @ @ ^ @ ^
^ ^ ^ ^ @ @ @ @ ^ ^ ^ ^ @ @ @ @ ^ ^ ^ ^ @ @ @ @ ^ ^ ^ ^
^ @ @ @ ^ @ @ @ ^ @ @ @ ^ @ @ @ ^ @ @ @ ^ @ @ @ ^ @ @ @ ^
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^ @ ^ @ ^ @ ^ @ ^ @ ^ @ ^ @ ^ @ ^ @ ^ @ ^ @ ^ @ ^ @ ^ @ ^ @ ^
^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
This Xmas tree is written in Java. If you are interested in code and theory behind the tree structure, please read on.