answer correctly on all this question : $1-$What is JavaFX?A$.$ A programming languageB. A graphical user interface $($GUI$)$ toolkit for JavaC. A database management systemD. A web development framework$2-$Which package is used for JavaFX applications?A$.$ java.awtB. javafx.applicationC. java.swingD. javax.fx$3-$What is the primary purpose of FXML in JavaFX?A$.$ To define the structure of a Java classB. To specify the layout of a JavaFX applicationC. To handle exceptions in JavaFXD. To manage database connections$4-$Which class is the entry point for a JavaFX application?A$.$ javafx.WindowB. javafx.SceneC. javafx.ApplicationD. javafx.Stage$5-$What does CSS stand for in the context of JavaFX?A$.$ Centralized Style SheetsB. Cascading Style SheetsC. Compact Style SyntaxD. Collective Styling System$6-$Which method is commonly used to launch a JavaFX application?A$.$ start$()$B$.$ run$()$C$.$ init$()$D$.$ execute$()7-$What is the purpose of the start$()$ method in a JavaFX application?A$.$ To initialize resourcesB. To perform the main application logicC$.$ To set up the user interfaceD. To handle mouse events$8-$Which layout manager is used to arrange nodes in a grid$-$like structure in JavaFX?A$.$ FlowPaneB. GridPaneC. BorderPaneD. StackPane$9-$What is the role of an event handler in JavaFX?A$.$ To define the visual appearance of nodesB. To manage database operationsC. To handle user interactions or eventsD. To control the application lifecycle$10-$Which class is used to create a dialog box in JavaFX?A$.$ javafx.PopupB. javafx.DialogC. javafx.MessageBoxD. javafx.Alert$11-$What is the purpose of the Platform.runLater$()$ method in JavaFX?A$.$ To run background tasksB. To schedule a Runnable to execute on the JavaFX Application ThreadC. To launch a new JavaFX applicationD. To close the current stage$12-$Which class is used for creating $2$D shapes in JavaFX?A$.$ javafx.SceneB. javafx.CanvasC. javafx.ShapeD. javafx.Graphics$13-$What is the purpose of the Scene class in JavaFX?A$.$ To define the application's visual elementsB. To manage database connectionsC. To handle keyboard eventsD. To represent the entire application window$14-$Which class is used for handling user input events in JavaFX?A$.$ javafx.MouseInputB. javafx.KeyListenerC. javafx.InputEventD. javafx.EventHandler$15-$In JavaFX, how can you set an image as the background for a layout or a node?A$.$ Using the setBackgroundImage$()$ methodB. Applying CSS styles with the background$-$image propertyC. Utilizing the setBackground$()$ methodD. There is no direct way to set a background image in JavaFX$16-$What is the role of the FXMLLoader class in JavaFX?A$.$ To load external Java classesB. To load FXML files and instantiate the corresponding Java objectsC. To handle file I$/$O operationsD. To define the application's main stage$17-$Which layout is commonly used for arranging nodes in a horizontal or vertical line in JavaFX?A$.$ FlowPaneB. HBoxC. VBoxD. GridPane$18-$How can you apply inline styling to a JavaFX node?A$.$ Using the setStyle$()$ methodB. Calling the applyStyle$()$ functionC. Using the addStyle$()$ methodD. Applying CSS files through the addStylesheet$()$ method$19-$What is the purpose of the Timeline class in JavaFX?A$.$ To manage animations and visual effectsB. To represent a timeline of eventsC. To handle user interactionsD. To control the application lifecycle$20-$Which class is used for creating a combo box in JavaFX?A$.$ javafx.DropDownB. javafx.ComboBoxC. javafx.SelectBoxD. javafx.ChoiceBox$21-$How do you bind properties in JavaFX for automatic synchronization?A$.$ Using the bind$()$ methodB. By directly assigning valuesC. Through the sync$()$ methodD. There is no way to achieve property binding in JavaFX$22-$What is the purpose of the javafx.concurrent package in JavaFX?A$.$ To handle keyboard eventsB. To perform background tasks without freezing the UIC. To manage database connectionsD. To create custom animations$23-$In JavaFX, what is the purpose of the Bindings class?A$.$ To create custom bindings for propertiesB. To establish bidirectional bindingsC. To manage data binding in FXMLD$.$ There is no Bindings class in JavaFX$24-$How can you implement custom animations in JavaFX for complex UI interactions?A$.$ Using only the Timeline classB. Utilizing the PathTransition classC. Implementing a custom AnimationTimerD. Combining CSS animations with Java code$25-$What is the purpose of the javafx.scene.control.cell package in JavaFX?A$.$ To define custom shapes for UI componentsB. To create custom controls for a sceneC. To customize the appearance of cells in UI controls like ListView or TableViewD. To handle user input events for cellsIn JavaFX, how can you create a responsive $26-$user interface that adapts to different screen sizes?A$.$ Using fixed$-$size layouts like StackPaneB. Dynamically adjusting layout constraints in codeC. Utilizing media queries in CSSD$.$ There is no direct way to achieve responsiveness in JavaFX$27-$What is the purpose of the javafx.beans.property package in JavaFX?A$.$ To manage FXML propertiesB. To handle properties in the Model$-$View$-$Controller $($MVC$)$ patternC. To define properties for data bindingD. There is no such package in JavaFX$28-$How does the javafx.concurrent.Worker interface contribute to concurrent programming in JavaFX?A$.$ It provides methods for creating custom thread pools.B$.$ It represents a background worker thread and facilitates UI updates from background tasks.C$.$ It is used for managing thread synchronization in JavaFX applications.D$.$ It allows direct manipulation of the JavaFX UI from background threads$\mathrm{.}29-$What role does the MenuBar class play in JavaFX applications?A$.$ It represents a container for menu items.B$.$ It is used for creating custom dialog boxes.C$.$ It provides a visual representation of a database schema.D$.$ It is used exclusively for navigation purposes$\mathrm{.}30-$In JavaFX, what is the purpose of the ScrollPane class?A$.$ To create scrollable text areasB. To add scroll bars to the entire sceneC. To implement zoom functionalityD. To display a scrollable view of a larger content area$31-$How can you incorporate $3$D graphics into a JavaFX application?A$.$ Using the javafx.scene.layout$3$d packageB. By extending the $3$DGraphics classC. Utilizing the Canvas$3$D classD. Through the javafx.scene.media package$32-$What is the purpose of the javafx.scene.web package in JavaFX?A$.$ To create custom web browsersB. To handle web$-$related events in JavaFX applicationsC. To integrate JavaFX with external web servicesD. To embed a WebView component for displaying web content in JavaFX$33-$How can you implement drag$-$and$-$drop functionality in a JavaFX application?A$.$ Using only the DragEvent classB. Utilizing the Dragboard and TransferMode for data transferC. Handling mouse events such as onDragDetected and onDragOverD. There is no native support for drag$-$and$-$drop in JavaFX$34-$What is the purpose of the javafx.scene.effect package in JavaFX?A$.$ To define custom animations for UI elementsB. To apply visual effects such as blurs and shadows to nodesC. To handle mouse events in a sceneD. To create complex shapes and paths in $3$D space$35-$In JavaFX, how can you create a custom chart or graph for data visualization?A$.$ Using the javafx.scene.chart packageB. Utilizing only CSS styles for chart customizationC. Extending the CustomChart class in JavaFXD. There is no built$-$in support for custom charts in JavaFXWhat is the purpose of the $36-$javafx.scene.media package in JavaFX?A$.$ To create custom media playersB. To integrate JavaFX with external media streaming servicesC. To handle media$-$related events and controlsD. To support the playback of $3$D audio in JavaFX$37-$How can you create a multi$-$threaded JavaFX application for improved performance?A$.$ By using the Platform.runLater$()$ methodB. Implementing the javafx.concurrent.Worker interfaceC. Utilizing Java's native Thread class for UI tasksD. There is no direct support for multi$-$threading in JavaFX$38-$What role does the javafx.print package play in JavaFX?A$.$ To manage printing tasks in a JavaFX applicationB. To create custom print dialog boxesC. To integrate JavaFX with external printing servicesD. To handle events related to printer status$40-$How can you create a custom control with its own skin in JavaFX?A$.$ By extending the CustomControl classB. Using only FXML for custom control definitionC. Extending the Control class and providing a custom skinD. There is no way to create custom controls with skins in JavaFX$41-$What is the purpose of the javafx.beans.binding package in JavaFX?A$.$ To handle binding of JavaFX propertiesB. To manage data binding in FXML filesC. To create custom bindings for external librariesD. There is no such package in JavaFX$42-$How can you handle touch events in a JavaFX application designed for touch$-$enabled devices?A$.$ Using only the onTouch attribute in FXMLB$.$ Handling standard mouse events like onMousePressedC. Utilizing the TouchEvent class and associated event handlersD. There is no native support for touch events in JavaFX$43-$What is the purpose of the javafx.scene.control.Alert class in JavaFX?A$.$ To display general information messagesB. To create custom alert dialogsC. To handle exceptions in a JavaFX applicationD. To provide visual feedback for long$-$running tasks$44-$How can you integrate JavaFX with a backend server for real$-$time data updates?A$.$ Using only JavaFX's built$-$in networking classesB. Implementing WebSockets for bidirectional communicationC. Creating a custom HTTP server within the JavaFX applicationD. There is no direct support for server communication in JavaFX$45-$What is the purpose of the javafx.scene.control.TreeTableView class in JavaFX?A$.$ To display a hierarchy of nodes in a table formatB. To create a custom tree structure with advanced stylingC. To manage the layout of tables within a sceneD. There is no such class in JavaFX$46-$How can you implement custom animation interpolators in JavaFX for unique transition effects?A$.$ By subclassing the Interpolator classB. Utilizing only CSS animationsC. Implementing the TransitionInterpolator interfaceD. There is no support for custom interpolators in JavaFX$47-$In JavaFX, how can you create a truly responsive and dynamic user interface based on user interactions?A$.$ Using only FXML layoutsB. Implementing the Observer design patternC. Dynamically adjusting the UI components in response to eventsD. There is no way to achieve a fully dynamic UI in JavaFX$48-$What role does the javafx.scene.chart.PieChart class play in JavaFX applications?A$.$ To create pie charts for data visualizationB. To handle mouse events related to chartsC. To represent $3$D data structures in a graphical formatD. There is no such class in JavaFX$49-$How can you achieve custom scene transitions in JavaFX between different views or screens?A$.$ By using only the built$-$in SceneTransition classB. Implementing custom transitions with the Transition classC. Utilizing CSS styles for scene transitionsD. There is no way to customize scene transitions in JavaFXWhat is the purpose of the $50-$javafx.scene.control.Tooltip class in JavaFX?A$.$ To create custom tooltips for UI elementsB. To handle tooltip$-$related eventsC. To define the overall layout of a sceneD. There is no such class in JavaFX$51-$How can you incorporate third$-$party libraries or frameworks into a JavaFX project?A$.$ By manually copying library JAR files into the project directoryB. Using only Maven for dependency managementC. Utilizing the JavaFX import statement for external librariesD. There is no standard way to include external libraries in JavaFX$52-$What role does the javafx.scene.control.ListView class play in JavaFX applications?A$.$ To create a list of selectable itemsB. To manage the layout of a list of nodesC. To provide an interactive view of a web pageD. There is no such class in JavaFX$53-$How can you implement custom data binding mechanisms in JavaFX beyond the built$-$in features?A$.$ By extending the Binding classB. Utilizing only the bind and unbind methodsC. Implementing the PropertyChangeListener interfaceD. There is no way to implement custom data binding in JavaFX$54-$How can you achieve a smooth transition between scenes in a JavaFX application without flickering?A$.$ Using the Transition class with a fade effectB. Utilizing CSS animations for seamless transitionsC. Setting a high frame rate for the JavaFX sceneD. Employing the AnimationTimer class for frame synchronization$55-$What is the purpose of the javafx.scene.control.TableColumn class in JavaFX TableView?A$.$ To represent an entire table within a sceneB. To define the structure and properties of a single column in a TableViewC. To manage the layout of cells in a TableViewD. There is no such class in JavaFX$56-$How can you create a custom skin for a JavaFX control?A$.$ By implementing the Skin interfaceB. Using only CSS stylesheets for control customizationC. Extending the CustomSkin class provided by JavaFXD. There is no way to create custom skins for JavaFX controls$57-$What is the purpose of the javafx.scene.canvas.Canvas class in JavaFX?A$.$ To represent a physical canvas for drawing with a stylusB. To provide a $2$D drawing surface for custom graphicsC. To handle mouse events related to canvas elementsD. There is no such class in JavaFX$58-$How can you create a resizable and draggable window in JavaFX without using the default Stage controls?A$.$ By extending the ResizableWindow classB. Using the setResizable and setDraggable methodsC. Implementing custom event handlers for resizing and draggingD. There is no way to create a resizable and draggable window without the default controls$59-$What is the purpose of the javafx.scene.input.Clipboard class in JavaFX?A$.$ To manage the clipboard for copying and pasting textB. To represent a graphical clipboard for images and multimediaC. To handle keyboard input eventsD. There is no such class in JavaFX$60-$How can you create a custom layout manager in JavaFX for unique UI arrangements?A$.$ By extending the LayoutManager classB. Utilizing only FXML for layout customizationC. Implementing the Pane interface with custom logicD$.$ There is no support for custom layout managers in JavaFX$61-$What is the purpose of the javafx.beans.value.ObservableValue interface in JavaFX?A$.$ To represent a value that can be observed for changesB. To handle events related to property changesC. To create observable collections in JavaFXD. There is no such interface in JavaFX$62-$How can you implement a custom tooltip in JavaFX with advanced styling and animations?A$.$ By subclassing the javafx.scene.control.Tooltip classB. Using only CSS styles for tooltip customizationC. Implementing a custom Popup controlD. There is no way to customize tooltips beyond the default behavior$63-$What is the purpose of the javafx.scene.control.ScrollBar class in JavaFX?A$.$ To manage the scrolling behavior of text areasB. To represent a standalone scrollbar controlC. To create a custom scrollbar for tables and listsD. There is no such class in JavaFX$64-$How can you achieve smooth and hardware$-$accelerated graphics rendering in JavaFX?A$.$ Utilizing the Canvas class with custom rendering logicB$.$ Implementing a custom rendering engine using native Java codeC. Enabling hardware acceleration through the $-$Dprism.order VM optionD. There is no way to achieve hardware$-$accelerated graphics in JavaFX$65-$What is the purpose of the javafx.scene.control.Alert.AlertType enumeration in JavaFX?A$.$ To represent different alert styles such as INFORMATION, WARNING, ERROR, etc.B$.$ To manage different types of dialog boxes in JavaFXC. To handle user input events related to alertsD. There is no such enumeration in JavaFX$66-$How can you create a resizable and draggable Node in JavaFX, independent of its parent layout?A$.$ By using the setResizable and setDraggable methods of the Node classB. Implementing a custom Pane with drag and resize functionalityC. Using the setResizable and setDraggable methods of the Stage classD. There is no built$-$in support for resizable and draggable Nodes in JavaFX$66-$What is the purpose of the javafx.scene.control.DatePicker class in JavaFX?A$.$ To represent a clock or timer in a JavaFX applicationB. To allow users to select a date from a calendar$-$like interfaceC. To create a custom input field for date valuesD. There is no such class in JavaFX$68-$How can you implement custom animations in JavaFX using the Transition class while ensuring responsiveness?A$.$ By running the animation on a separate background threadB. Using the AnimationTimer class for precise controlC. Applying the setRate method to adjust the animation speedD. There is no need for special considerations; JavaFX handles responsiveness automatically$69-$What is the purpose of the javafx.print.PrinterJob class in JavaFX?A$.$ To manage printing tasks in a JavaFX applicationB. To create custom print dialog boxesC. To represent physical printers connected to the systemD. There is no such class in JavaFX$70-$How can you handle undo and redo functionality in a JavaFX application with complex user interactions?A$.$ By using the javafx.scene.input.KeyCombination class for undo$/$redo shortcutsB. Implementing a custom UndoManager to track and manage changesC. Using only the default system clipboard for undo$/$redo operationsD. There is no built$-$in support for undo and redo in JavaFX$71-$What is the purpose of the javafx.concurrent.Service class in JavaFX?A$.$ To manage background tasks with associated UI updatesB. To create custom service$-$oriented architectures in JavaFXC. To handle network$-$related tasks and data retrievalD. There is no such class in JavaFX$72-$How can you create a custom splash screen for a JavaFX application during startup?A$.$ Using only the default JavaFX preloaderB. Implementing a custom SplashScreen class and registering it with the applicationC. There is no way to customize the splash screen in JavaFXD. Modifying the default JavaFX CSS styles for the preloader$73-$What is the purpose of the javafx.beans.WeakInvalidationListener class in JavaFX?A$.$ To create listeners that automatically unregister when no longer referencedB. To manage weak references within JavaFX applicationsC. To handle invalidation events with weak references for memory optimizationD. There is no such class in JavaFX