Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
4th Edition
ISBN: 9780134787961
Author: Tony Gaddis, Godfrey Muganda
Publisher: PEARSON
Expert Solution & Answer
Chapter 21, Problem 1MC
Program Description Answer

A binary tree is a collection of nodes in which each node “has at most two successors”.

Hence, the correct answer is option “D”.

Expert Solution & Answer
Check Mark

Explanation of Solution

Binary tree:

  • Binary tree is a hierarchical structure to represent the data. The element of the tree is called as a node or item.
    • Here, the branches are used to connect the nodes.
  • Each node may have zero, one, or two children.
  • A node that does not have a superior node is called the root node.
  • The root node is the starting node, and it is the ancestor for all other nodes in the tree.
  • The set of children node in a binary tree form a subtree rooted at that node.
  • A node that does not have a children is called as a leaf node or an end node.

Explanation for incorrect options:

Has no successor:

A binary tree may have zero, one, or two successor node. So, it cannot be predicted that a binary tree has no successor.

Hence, option “A” is wrong.

Has one successor:

A binary tree may have zero, one, or two successor node. So, it cannot be predicted that a binary tree has one successor.

Hence, option “B” is wrong.

Has exactly two successors:

A binary tree may have zero, one, or two successor node. So, it cannot be predicted that a binary tree has exactly two successors.

Hence, option “C” is wrong.

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In DrRacket: Define the difference between Binary Search Trees and Nodes? A) A Binary Search Tree is a Node, but a Node isn’t always a Binary Search Tree. B) A Node is a Binary Search Tree, but a Binary Search Tree isn’t always a Node. C) Binary Search Trees may contain Nodes, but Nodes cannot contain Binary Search Trees. D) Nodes may contain Binary Search Trees, but Binary Search Trees cannot contain Nodes. E) They are the same thing
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