A JavaFX Scene can contain a hierarchical structure of visual nodes known as the

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BlackTom AI · Accepted Answer

The question asks about the hierarchical structure of visual nodes inside a JavaFX Scene.
In JavaFX, every visual component you add to a scene is a Node, and nodes can contain other nodes to form a tree-like structure. This organized collection of nodes is commonly described as a scene graph, which represents the hierarchical relationship between UI elements and how they are laid out and rendered.
If we compare to other possibilities: a simple 'scene' itself is the container that holds the root node of the graph, but the term 'scene' does not describe the hierarchy of nodes within it. The term 'root' refers to the topmost node in the graph, not the entire hierarchical structure. 'Node tree' is a descriptive phrase that could be understood, but in standard JavaFX terminology, the correct canonical name for the complete hierarchical structure is 'scene graph'.
Therefore, recognizing that the Scene contains a hierarchical structure of visual nodes known as the scene graph correctly identifies the official concept JavaFX uses to model UI components and their relationships.

Advanced Programming (202509-LLecture)

A JavaFX Scene can contain a hierarchical structure of visual nodes known as the

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