Question 4.7 has a bug. If one TreeNode is under the other one you get a NullPointerException#171
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harryjackson wants to merge 1 commit into
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Question 4.7 has a bug. If one TreeNode is under the other one you get a NullPointerException#171harryjackson wants to merge 1 commit into
harryjackson wants to merge 1 commit into