What is the backing storage of a BinaryTree?
Root node r.
Where a node has data, pointers to left and right child nodes, and maybe pointer to its parent node.
What is the runtime of the size() method for a BinaryTree?
O(n)
If you have to traverse the tree.
What is the max height of a binary tree?
O(n)
If the tree is a glorified linked list
What is the minimum height of a binary tree?
O(log n)