The Smart Card Alliance refers to the technology used in identification documents and smart card systems as _______________.
Fill in the blank(s) with the appropriate word(s).
RF
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Analyze the following code:
``` import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.control.RadioButton; import javafx.scene.control.ToggleGroup; import javafx.scene.layout.FlowPane; import javafx.scene.layout.Pane; import javafx.stage.Stage; public class Test extends Application { @Override // Override the start method in the Application class public void start(Stage primaryStage) { Pane pane = new FlowPane(); ToggleGroup group = new ToggleGroup(); RadioButton rb1 = new RadioButton("Java"); RadioButton rb2 = new RadioButton("C++"); pane.getChildren().addAll(rb1, rb2); Scene scene = new Scene(pane, 200, 250); 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); } } ``` a. The program displays two radio buttons. The two radio buttons are grouped. b. The program displays one radio button with text Java. c. The program displays two radio buttons. The two radio buttons are not grouped. d. The program displays one radio button with text C++.
Every class in Java, except ________, extends an existing class.
a. Integer. b. Object. c. String. d. Class.
The item marked ____ in the accompanying figure is dragged to change table width.
A. 1 B. 2 C. 3 D. 4
Sources in a research paper can only be used one time
Indicate whether the statement is true or false