(Rotate a rectangle) Write a program that rotates a rectangle 15 degrees right when the Rotate button is clicked, as shown in Figure 15.24b

/*********************************************************************************
* (Rotate a rectangle) Write a program that rotates a rectangle 15 degrees right *
* when the Rotate button is clicked, as shown in Figure 15.24b.                  *
*********************************************************************************/
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.geometry.Pos;
import javafx.geometry.Insets;
import javafx.scene.layout.BorderPane;
import javafx.scene.control.Button;
import javafx.scene.shape.Rectangle;
import javafx.scene.paint.Color;
import javafx.stage.Stage;

public class Exercise_15_02 extends Application {
	@Override // Override the start method in the Application class
	public void start(Stage primaryStage) {
		// Create a rectangle
		Rectangle rectangle = new Rectangle();
		rectangle.setWidth(90);
		rectangle.setHeight(40);
		rectangle.setFill(Color.RED);
		rectangle.setStroke(Color.BLACK);

		// Create a button
		Button btRotate = new Button("Rotate");

		// Process events
		btRotate.setOnAction(e -> 
			rectangle.setRotate(rectangle.getRotate() + 15));

		// Create a border pane and set its properties
		BorderPane pane = new BorderPane();
		pane.setCenter(rectangle);
		pane.setBottom(btRotate);
		BorderPane.setAlignment(rectangle, Pos.CENTER);
		BorderPane.setAlignment(btRotate, Pos.CENTER);
		pane.setPadding(new Insets(5, 5, 5, 5));

		// Create a scene and place it in the stage
		Scene scene = new Scene(pane, 170, 170);
		primaryStage.setTitle("Exercise_15_02"); // Set the stage title
		primaryStage.setScene(scene); // Place the scene in the stage
		primaryStage.show(); // Display the stage; 
	}
}