Question: How would you do this in Java by ONLY importing ArrayList and nothing else? Please dont copy any solutions from the internet and actually explain

"How would you do this in Java by ONLY importing ArrayList and nothing else? Please dont copy any solutions from the internet and actually explain the code.

Consider a binary tree where each node stores an integer. Design a UN

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n algorithm that takes as input an integer target and returns how many path in the tree sums up to target."

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