21. Analyze the following code import javafx.application.Application import javafx.scene.Scene; import javafx.scene.control. Button import javafx.scene.layout.Pane; import javafx.scene.layout. FlowPane; import javafx.stage. Stage; public class Test extends Application ( eoverride// Override the start method in the Application class public void start (Stage primarystage) ( Pane pane new FlowPane ()i Button bt1 = new Button ("Java"); Button bt2 new Button ("Java") Button bt3 new Button ("Java"); Button bt4 new Button ("Java"); pane.getchildren ().addA1l (bt1, bt2, bt3, bt4) Scene scene new Scene (pane, 200, 250) primarystage.setTitle ("Test")// Set the stage title primarystage.setScene (scene); // Place the scene in the stage primaryStage.show ); /Display the stage public static void main(String[) args) launch (args); A. One button is displayed with the text "Java". B. Two buttons are displayed with the same text "Java" C. Three buttons are displayed with the same text "Java" D. Four buttons are displayed with the same text "Java". 22. Which of the following methods is not defined in the Animation class? A. pause () B. play () C. stop () D. resume ()