Write a method called removeLeaves that removes the leaves from a tree. A leaf is a node

Question:

Write a method called removeLeaves that removes the leaves from a tree. A leaf is a node that has empty left and right subtrees. If your method is called on an empty tree, the method does not change the tree because there are no nodes of any kind (leaf or not).

Reference Tree #2 2 Reference Tree #1 1 7. 4 4 Reference Tree #3 2 3 8. 9. 3. 1.