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Questions and Answers
What is the primary role of javafx.scene.Node in JavaFX?
What is the primary role of javafx.scene.Node in JavaFX?
- Creates an application thread for running the application start method
- Constructs the top level JavaFX container (i.e., window)
- Handles the layout management and containment of GUI components
- Is the base class for scene graph nodes (i.e., components) (correct)
What is the role of javafx.application.Application in JavaFX applications?
What is the role of javafx.application.Application in JavaFX applications?
- Defines the base class for scene graph nodes
- Creates the application thread for running the application start method, processing input events, and running animation timelines (correct)
- Handles the layout management and containment of GUI components
- Constructs the top level JavaFX container (i.e., window)
What happens when a mouse click occurs on a button in a GUI?
What happens when a mouse click occurs on a button in a GUI?
- The GUI renders the components and checks input buffer filled by OS
- The operating system recognizes the mouse click, determines which window it was inside, and notifies that program by putting the event on that program’s input buffer/queue (correct)
- The program waits for a predefined time before responding to the mouse click
- The program directly responds to the mouse click by executing the code associated with the button
Which class is responsible for defining the top level JavaFX container (i.e., window)?
Which class is responsible for defining the top level JavaFX container (i.e., window)?
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What is the purpose of overriding the start(Stage) method in JavaFX applications?
What is the purpose of overriding the start(Stage) method in JavaFX applications?
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What does the javafx.stage.Stage represent in JavaFX?
What does the javafx.stage.Stage represent in JavaFX?
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What is the purpose of javafx.scene.Scene in a JavaFX application?
What is the purpose of javafx.scene.Scene in a JavaFX application?
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What does javafx.application.Application provide as an entry point for JavaFX applications?
What does javafx.application.Application provide as an entry point for JavaFX applications?
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What is javafx.scene.Node responsible for in JavaFX?
What is javafx.scene.Node responsible for in JavaFX?
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What is typically constructed by the platform in a JavaFX application?
What is typically constructed by the platform in a JavaFX application?
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