Author Question: Analyze the following code:import javafx.application.Application;import javafx.scene.Scene;import ... (Read 134 times)

cool · **on:** May 6, 2020

Question 1

To place two nodes node1 and node2 in a HBox p, use ________.
◦ p.add(node1, node2);
◦ p.getChildren().addAll(node1, node2);
◦ p.getChildren().add(node1, node2);
◦ p.addAll(node1, node2);

Question 2

Analyze the following code:

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.stage.Stage;
import javafx.scene.layout.HBox;
import javafx.scene.shape.Circle;

public class Test extends Application {
@Override // Override the start method in the Application class
public void start(Stage primaryStage) {

HBox pane = new HBox(5);

Circle circle = new Circle(50, 200, 200);

pane.getChildren().addAll(circle);

circle.setCenterX(100);

circle.setCenterY(100);

circle.setRadius(50);

pane.getChildren().addAll(circle);

// Create a scene and place it in the stage

Scene scene = new Scene(pane);

primaryStage.setTitle("Test"); // Set the stage title

primaryStage.setScene(scene); // Place the scene in the stage

primaryStage.show(); // Display the stage

}

/**
* The main method is only needed for the IDE with limited
* JavaFX support. Not needed for running from the command line.
*/
public static void main(String[] args) {

launch(args);

}
}

◦ The program has a runtime error since the circle is added to a pane twice.
◦ The program runs fine and displays two circles.
◦ The program has a compile error since the circle is added to a pane twice.
◦ The program runs fine and displays one circle.

Hdosisshsbshs · **Reply #1 on:** May 6, 2020

A FREE account is required to view all solutions!

Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.

Answer Preview

Only 25% of students answer this correctly