Section 9 Quiz

 

1. The JavaFX API contains descriptions of Java FX features.

benar (*)

Palsu

Correct

(1/1) Point

2. How would you create a custom color that is pure cyan (equal parts green and blue)?

Color customColor = Color.rgb(0, 255, 0);

Color customColor = Color.rgb(0, 0, 255);

Color customColor = Color.rgb(255, 255, 0);

Color customColor = Color.rgb(0, 255, 255); (*)

Correct

(1/1) Point

3. Which method helps to set the width of a rectangle’s outline?

setStroke(Paint paint)

setLayoutX(double d)

setStrokeWidth(double d) (*)

setX(double d)

Correct

(1/1) Point

4. Which color is not directly used when creating custom Color.rgb()?

Yellow (*)

Blue

Red

Green

Correct

(1/1) Point

5. Which is the correct syntax to instantiate a JavaFX Rectangle?

Rectangle rect = new Rectangle(20, 20);

Rectangle rect = Rectangle(20, 20, 100, 200, 200);

Rectangle rect = new Rectangle(20, 20, 100, 200); (*)

Rectangle rect = new Rectangle(20, 20, 100);

Correct

6. JavaFX is used to create GUI applications.

benar (*)

Palsu

Correct

(1/1) Point

7. The start() method is the entry point for all JavaFX applications.

benar (*)

Palsu

Correct

(1/1) Point

8. Which type of Root Node allows Nodes to be placed anywhere?

StackPane

Group (*)

HBox

TilePane

Correct

(1/1) Point

9. Which is not a JavaFX Node?

Button

Object (*)

ScrollBar

ImageView

Correct

(1/1) Point

10. How would you set the title of the Stage primaryStage?

primaryStage("New Title!");

primaryStage.title = "New Title!";

primaryStage.setTitle("New Title!"); (*)

primaryStage = "New Title!;

Correct

11. JavaFX doesn’t provide you with UI elements, shapes and text. So you must always create your own graphics.

benar

Palsu (*)

Correct

(1/1) Point

12. When you write code for MouseEvents, you are telling a Node to listen for a particular event.

benar (*)

Palsu

Correct

(1/1) Point

13. An Image is an object that describes the location of a graphics file.

benar (*)

Palsu

Correct

(1/1) Point

14. Lambda Expressions provide much more effective and cleaner syntax for working with GUI applications and sorting lists.

benar (*)

Palsu

Correct

(1/1) Point

15. Which method is used to for mouse click events?

setOnMouseDragged()

setOnMouseReleased()

setOnMouseMoved()

setOnMouseClicked() (*)

Correct

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