Self-Quiz Unit 6 Attempt review PDF

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Quiz 6...

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10/13/21, 1:31 PM

Started on

Self-Quiz Unit 6: Attempt review

Wednesday, 13 October 2021, 11:18 PM

State Finished Completed on Wednesday, 13 October 2021, 11:27 PM Time taken

9 mins 28 secs

Marks 3.00/5.00 Grade 60.00out of 100.00 Question1 Correct Mark 1.00 out of 1.00

Consider the following Java program.Which one of the following is a package?

import javafx.application.Application; import javafx.scene.Scene; import javafx.stage.Stage; import javafx.application.Platform; import javafx.scene.layout.BorderPane; import javafx.scene.layout.HBox; import javafx.scene.control.Button; public class TestFX extends Application { public void start(Stage stage) {  Button quitButton = new Button("Quit");  quitButton.setOnAction(e -> Platform.exit());  HBox buttonBar = new HBox(quitButton);  BorderPane root = new BorderPane();  root.setBottom(buttonBar);  Scene scene = new Scene(root, 100, 50);  stage.setScene(scene);  stage.show(); } public static void main(String[] args) {  launch(args); } }

Select one: a. javafx.scene.Scene b. start c.

Stage

d. Button e. BorderPane

Your answer is correct. See Section 4.6.2.

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1/5

10/13/21, 1:31 PM

Self-Quiz Unit 6: Attempt review

Question2 Correct Mark 1.00 out of 1.00

Consider the following Java program.What is the superclass of "TestFX"? import javafx.application.Application; import javafx.scene.Scene; import javafx.stage.Stage; import javafx.application.Platform; import javafx.scene.layout.BorderPane; import javafx.scene.layout.HBox; import javafx.scene.control.Button; public class TestFX extends Application { public void start(Stage stage) {  Button quitButton = new Button("Quit");  quitButton.setOnAction(e -> Platform.exit());  HBox buttonBar = new HBox(quitButton);  BorderPane root = new BorderPane();  root.setBottom(buttonBar);  Scene scene = new Scene(root, 100, 50);  stage.setScene(scene);  stage.show(); } public static void main(String[] args) {  launch(args); } }

Select one: a. ActionEvent b. ActionListener c.

launch

d. start e. Application

Your answer is correct. See Section 5.5.2.

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2/5

10/13/21, 1:31 PM

Self-Quiz Unit 6: Attempt review

Question3 Incorrect Mark 0.00 out of 1.00

Consider the following Java program.Which statement registers an object to receive events? import javafx.application.Application; import javafx.scene.Scene; import javafx.stage.Stage; import javafx.application.Platform; import javafx.scene.layout.BorderPane; import javafx.scene.layout.HBox; import javafx.scene.control.Button; public class TestFX extends Application { public void start(Stage stage) {  Button quitButton = new Button("Quit");  quitButton.setOnAction(e -> Platform.exit());  HBox buttonBar = new HBox(quitButton);  BorderPane root = new BorderPane();  root.setBottom(buttonBar);  Scene scene = new Scene(root, 100, 50);  stage.setScene(scene);  stage.show(); } public static void main(String[] args) {  launch(args); } }

Select one: a. import javafx.scene.control.Button; b. Button quitButton = new Button("Quit"); c.

quitButton.setOnAction(e -> Platform.exit());

d. root.setBottom(buttonBar); e. stage.setScene(scene);

Your answer is incorrect. See Section 6.3.1.

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3/5

10/13/21, 1:31 PM

Self-Quiz Unit 6: Attempt review

Question4 Correct Mark 1.00 out of 1.00

A class that implements a listener interface does which of the following?

Select one: a. It generates events. b. It handles events. c.

It maintains an object directory.

d. It records audio. e. It runs an event loop.

Your answer is correct. See Section 6.3.1.

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4/5

10/13/21, 1:31 PM

Self-Quiz Unit 6: Attempt review

Question5 Incorrect Mark 0.00 out of 1.00

Consider the following Java program.Which statement displays a window with a button on the screen? import javafx.application.Application; import javafx.scene.Scene; import javafx.stage.Stage; import javafx.application.Platform; import javafx.scene.layout.BorderPane; import javafx.scene.layout.HBox; import javafx.scene.control.Button; public class TestFX extends Application { public void start(Stage stage) {  Button quitButton = new Button("Quit");  quitButton.setOnAction(e -> Platform.exit());  HBox buttonBar = new HBox(quitButton);  BorderPane root = new BorderPane();  root.setBottom(buttonBar);  Scene scene = new Scene(root, 100, 50);  stage.setScene(scene);  stage.show(); } public static void main(String[] args) {  launch(args); } }

Select one: a. HBox buttonBar = new HBox(quitButton); b. BorderPane root = new BorderPane(); c.

Scene scene = new Scene(root, 100, 50);

d. stage.setScene(scene); e. stage.show();

Your answer is incorrect. See Section 6.1.1.

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5/5...