Starting Out with Java: From Control Structures through Data Structures (3rd Edition)
Starting Out with Java: From Control Structures through Data Structures (3rd Edition)
3rd Edition
ISBN: 9780134038179
Author: Tony Gaddis, Godfrey Muganda
Publisher: PEARSON
Expert Solution & Answer
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Chapter 15, Problem 1MC
Program Description Answer

The tree like hierarchical data structure that contains components of a JavaFX GUI is known as a scene graph.

Hence, correct answer is option “D”.

Expert Solution & Answer
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Explanation of Solution

Scene graph:

  • A scene graph denotes a hierarchical data structure used for organizing components in JavaFX GUI (Graphical User Interface).
  • It denotes a tree-like structure that contains nodes.
  • The three types of nodes in scene graph are shown below:
    • Root Node:
      • A scene graph can have a single root node only.
      • It denotes a parent of other nodes in scene graph.
      • It denotes first node in structure.
    • Branch Node:
      • A branch node can have other nodes as children.
      • A scene graph may have more than one branch nodes.
    • Leaf Node:
      • A scene graph may have more than one leaf nodes.
      • A leaf node does not have any children.
  • The root node and branch nodes could have children.
  • The leaf node cannot have any child nodes.

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Chapter 15 Solutions

Starting Out with Java: From Control Structures through Data Structures (3rd Edition)

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