Chapter 12, Problem 3AW

Explanation of Solution

“Stage” class:

• It is nothing but a window that holds the scene and it contains all the objects of JavaFX application.
• The package for this is “javafx.stage”. The application might have many stages.
• Displaying a stage: The method “show ()” should be invoked in order to display a stage.

“Scene” class:

• It is used to symbolize the physical contents of the JavaFX application and it is a collection of GUI objects.
• The package for this is “javafx.scene”.
• At instance, the scene object is added to only one stage. Scene object can be created by “Scene scene_object = new Scene (parent, width, height);” or “Scene scene_object = new Scene (parent);”
• Setting scene in a stage: It is important to call the method “setScene(scene_object)” to set a scene in a stage...