An array is not ________.

a) a consecutive group of memory locations
b) indexed by integers
c) pointer-based
d) a dynamic entity

d) a dynamic entity

Computer Science & Information Technology

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Answer the following statements true (T) or false (F)

1. A statement of the form IO.File.WriteAllLines("fileName.t", numArray) copies the contents of the numeric array numArray into a text file. 2. The acronym CSV stands for "Comma Separated Values". 3. When you place the OpenFileDialog control on a form, it will not be visible on the form. 4. In order to use the OpenFileDialog control, the programmer must first change its Name property to something other than the default OpenFileDialog1. 5. The following statement could be used to set the Filter property of the OpenFileDialog control so that it displays files with the .txt extension. Text Files (*.txt)|(.txt)

Computer Science & Information Technology

Fill in the code in the underlined location to display the mouse point location when the mouse is pressed in the pane.

``` import javafx.application.Application; import javafx.scene.Scene; 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 Pane(); ______________________________________ 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. pane.setOnMouseClicked((e) -> System.out.println(e.getX() + ", " + e.getY())); b. pane.setOnMouseReleased(e -> {System.out.println(e.getX() + ", " + e.getY())}); c. pane.setOnMousePressed(e -> System.out.println(e.getX() + ", " + e.getY())); d. pane.setOnMouseDragged((e) -> System.out.println(e.getX() + ", " + e.getY())); ```

Computer Science & Information Technology