a brief explanation of how this code works

you can just explain the main part thank you

(I have attached the code screenshot and the code output below)

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40 import javafx.application. Application; 12 13 public class ShowRectangle extends Application { 140 @Override // Override the start method in the Application class public void start (Stage primaryStage) { // Create rectangles Rectangle r1= new Rectangle (25, 10, 60, 30); r1.setStroke (Color.BLACK) ; 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 460 47 48 49 500 51 52 53 } } r1.setFill(Color.WHITE); Rectangle r2 = new Rectangle (25, 50, 60, 30); Rectangle r3 = new Rectangle (25, 90, 60, 30); r3.setArcWidth (15); r3.setArcHeight (25); } // Create a group and add nodes to the group Group group = new Group(); group.getChildren().addAll(new Text(10, 27, "r1"), r¹, new Text (10, 67, "r2"), r2, new Text (10, 107, "r3"), r3); for (int i = 0; i < 4; i++) { Rectangle r = new Rectangle (100, 50, 100, 30); r.setRotate(i * 360 / 8); r.setStroke (Color.color(Math.random(), Math.random(), Math.random())); r. setFill(Color.WHITE); group.getChildren().add(r); } // Create a scene and place it in the stage Scene scene = new Scene(new Border Pane(group), 250, 150); primaryStage.setTitle("ShowRectangle") ; // 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); 40 import javafx.application. Application; 12 13 public class ShowRectangle extends Application { 140 @Override // Override the start method in the Application class public void start (Stage primaryStage) { // Create rectangles Rectangle r1= new Rectangle (25, 10, 60, 30); r1.setStroke (Color.BLACK) ; 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 460 47 48 49 500 51 52 53 } } r1.setFill(Color.WHITE); Rectangle r2 = new Rectangle (25, 50, 60, 30); Rectangle r3 = new Rectangle (25, 90, 60, 30); r3.setArcWidth (15); r3.setArcHeight (25); } // Create a group and add nodes to the group Group group = new Group(); group.getChildren().addAll(new Text(10, 27, "r1"), r¹, new Text (10, 67, "r2"), r2, new Text (10, 107, "r3"), r3); for (int i = 0; i < 4; i++) { Rectangle r = new Rectangle (100, 50, 100, 30); r.setRotate(i * 360 / 8); r.setStroke (Color.color(Math.random(), Math.random(), Math.random())); r. setFill(Color.WHITE); group.getChildren().add(r); } // Create a scene and place it in the stage Scene scene = new Scene(new Border Pane(group), 250, 150); primaryStage.setTitle("ShowRectangle") ; // 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);

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a JavaFX application that creates a scene with several rectangles Some of the rectangles have sharp ... View the full answer