(Alternate two messages) Write a program to display the text Java is fun and Java is powerful alternately with a mouse click

/*********************************************************************************
* (Alternate two messages) Write a program to display the text Java is fun and   *
* Java is powerful alternately with a mouse click.                               *
*********************************************************************************/
import javafx.application.Application;
import javafx.collections.ObservableList;
import javafx.scene.Scene;
import javafx.scene.layout.StackPane;
import javafx.scene.text.Text;
import javafx.stage.Stage;
import javafx.scene.paint.Color;

public class Exercise_15_06 extends Application {
	@Override // Override the start method in the Application class
	public void start(Stage primaryStage) {
		StackPane pane = new StackPane();
		Text text1 = new Text("Java is fun");
		Text text2 = new Text("Java is powerful");
		pane.getChildren().addAll(text1);

		pane.setOnMouseClicked(e -> {
			if (pane.getChildren().contains(text1)) {
				pane.getChildren().add(text2);
				pane.getChildren().remove(text1);
			}
			else {
				pane.getChildren().add(text1);
				pane.getChildren().remove(text2);
			}
		});

		// Create a scene and place it in the stage
		Scene scene = new Scene(pane, 150, 50);
		primaryStage.setTitle("Exercise_15_06"); // Set the stage title
		primaryStage.setScene(scene); // Place the scene in the stage
		primaryStage.show(); // Display the stage
	}
}