CS 1102 FINAL EXAM QUIZ- Programming 2023/2024

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);
Feedback
Your answer is correct.
Which of the following should be used to compare the contents of two String
objects in Java?

Select one:

a.
=


b.
==


c.
cmp


d.
equals


e.
?
Feedback
Your answer is correct.
Which one of the following is used in Java programming to handle
asynchronous events?
Select one:

a.
event handlers


b.
pragmatics

, c.
protocols


d.
reserved words


e.
short circuits
Feedback
Your answer is correct.
Which of the following keywords is useful for getting out of an infinite loop?
Select one:

a.
break


b.
continue


c.
do


d.
switch


e.
while
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Your answer is correct.
What is the output of the following Java program?

import java.util.*;
class ArrayGames {
public static void main(String[] args) {
int[] a = {1,2,3,4,5};
for (int i = 0; i < a.length; i++) a[i] = a[i-1];
System.out.println(Arrays.toString(a));