instantiated TreeNodes and preOrder method#8

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konradkelly wants to merge 3 commits intogrc-220-s25:mainfrom

konradkelly:main

Commits on May 21, 2025

instantiated TreeNodes and preOrder method
konradkelly
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Commits on Feb 12, 2026

refactor class constructor and implement preOrder, postOrder, and inOrder methods
konradkelly
committed

Commits on Feb 25, 2026

implemented printGreater and countNodes methods
konradkelly
committed