public class TreeNode { Object element; TreeNode firstChild; TreeNode nextSibling; } We can encode any general tree as a special kind of binary tree: the 2 child pointers are FirstChild and …

A full list of the information that can be extracted and the manipulations that can be performed on TreeNode objects can be obtained by looking at the methods and properties of the TreeNode …

Trees: Linked representation Implementation 2 struct TreeNode { Object element; TreeNode *child1; TreeNode *sibling; }; Each node contain a link to its first child and a link to its next …

Sometimes we need to save a BST in a file and restore it later. Saving the BST and restoring it to its original format.

Enter the order in which the nodes of this tree would be visited in a post-order traversal. Practice!

‣ Computes sum of all elements in tree rooted at node. ‣ Computes number of elements in tree rooted at node. ‣ Computes height of tree rooted at node. Recall: height(empty_tree) = -1, …

We write a recursive function to count the number of nodes of a tree t that contain the value v, assuming that the function resides in class TreeNode. Its specification and heading are in the …