The output of a parser is a(n) complete ____________________, or an error message if one cannot be constructed.
Fill in the blank(s) with the appropriate word(s).
parse tree
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Case-based Critical Thinking QuestionsCase 13-1Judy wants to be able to validate the XML documents that she uses for recipes. These documents include numeric elements that specify ingredient amounts and cooking times, so you recommend that she use a schema instead of a DTD, and you teach her some of the key facts about schemas. Which of the following is NOT an advantage of schemas over DTDs?
A. They are more flexible than DTDs in dealing with mixed content. B. They support more data types than DTDs. C. They provide better support for namespaces. D. They are simpler to create and maintain.
Analyze the following code:
``` import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.layout.HBox; import javafx.scene.layout.Pane; import javafx.geometry.Insets; import javafx.stage.Stage; import javafx.scene.image.Image; import javafx.scene.image.ImageView; public class Test extends Application { @Override // Override the start method in the Application class public void start(Stage primaryStage) { // Create a pane to hold the image views Pane pane = new HBox(10); pane.setPadding(new Insets(5, 5, 5, 5)); Image image = new Image("www.cs.armstrong.edu/liang/image/us.gif"); pane.getChildren().addAll(new ImageView(image), new ImageView(image)); // Create a scene and place it in the stage Scene scene = new Scene(pane); primaryStage.setTitle("ShowImage"); // 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 runs fine and displays two images. b. new Image("www.cs.armstrong.edu/liang/image/us.gif") must be replaced by new Image("http://www.cs.armstrong.edu/liang/image/us.gif"). c. The image object cannot be shared by two ImageViews. d. The addAll method needs to be replaced by the add method.
Which Boolean operator would find all files with the exact phrase??
A. ?< B. ?> C. ?" " D. ?( )
____ is the policy of allowing only one process to have access to a dedicated resource.
A. No preemption B. Circular wait C. Resource holding D. Mutual exclusion