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.

b. new Image("www.cs.armstrong.edu/liang/image/us.gif") must be replaced by new