If the child references of a binary tree node are both null, the node is ____.
A)a parent node
B)a leaf node
C)an interior node
D)a root node

Name: If the child references of a binary tree node are both null, the node is ____. A)a parent node B)a leaf node C)an interior node D)a root node
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Quizplus · Accepted Answer

A node with both child references null is a leaf node, also known as a terminal node or external node, since it is at the end of a branch and has no child nodes.

If the Child References of a Binary Tree Node Are