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) {
}
}
◦ The program runs fine and displays two images.
◦ The image object cannot be shared by two ImageViews.
◦ 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").
◦ The addAll method needs to be replaced by the add method.
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