Question

JavaFX! Just need to fill several lanes of code please!!!

CSE205 OOP and Data Structure Quiz #15 Last Name (print) First Name (print) Write a JavaFX GUI application program that simulates a timer. The timer should show "count: the beginning and increase the number by 1 in every one second, and so on. o" at .3 A Timer - × A Timer Count: 0 Count: 1 (B) After 1 second, the GUI Window (A) Initial GUI Window According to the description, finish the following program import javafx.application.Application; import javafx.stage.Stage; import javafx.scene.Scene; import javafx.scene.layout.StackPane; import javafx.scene.control.Label; import javafx.scene.text.Font: import javafx.animation.KeyFrame; import javafx.animation.Timeline; import javafx.util.Duration; import javafx.event.ActionEvent; import javafx.event.EventHandler public class TimerQuiz extends Application private Label label; private int number; private Timeline timer; public void start (Stage primaryStage) number = 0; //initialize the label Label.setFont (new Font ("Arial", 30)): StackPane rootPane new StackPane(): //add the label inside the root Pane CSE205 00P and Data Structure Quiz #15 First Name (print) Last Name (print): //Create a KeyFrame object that increase the timer every 1 second KeyFrame kf- //create a Timeline object called 、tiner, from above KeyFrame object //Set timer's cycle count to indefinite //start the timer // Create a scene and place the root Pane in the stage scene scene = new scene (rootPane , 220, 100); primaryStage.setTitle("A Timer"):/ Set the stage title primaryStage.setScene (scene): / Place the scee in the stage primarystage.show);7/ Display the stage //Handler class private class TimerHandler implements public void handle (ActionEvent event) //need to increase the number by 1 //change the label's text //The main method is only needed for the IDE with limited JavaFX support public static void main(String[] args) launch (args): //end of TimerQuiz class

Answer 1

The Bold Lines are the answers for fill in the blanks

Code :

/*
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*/
package counter;
import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.event.Event;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.layout.StackPane;
import javafx.scene.text.Font;
import javafx.stage.Stage;
import javafx.util.Duration;

/**
*
* @author rohit
*/
public class TimerQuiz extends Application {
  
private Label label;
private int number;
private Timeline timer;
public void start(Stage primaryStage) {
number=0;
label = new Label();
label.setText("Count: "+number);
label.setFont(new Font("Arial",30));
StackPane root = new StackPane();
root.getChildren().add(label);
  
  
KeyFrame kf= new KeyFrame (Duration.seconds(1),new TimerHandler());
timer = new Timeline();
timer.getKeyFrames().add(kf);
timer.setCycleCount(timer.INDEFINITE);
timer.playFromStart();
  
Scene scene = new Scene(root, 220, 100);
primaryStage.setTitle("A Timer");
primaryStage.setScene(scene);
primaryStage.show();
}
  
private class TimerHandler implements EventHandler{
public void handle (Event e){
number+=1;
label.setText("Count: "+number);
}

}

/**
* @param args the command line arguments
*/
public static void main(String[] args) {
launch(args);
}
  
}

OUTPUT :

A Timer- Count: 0

A Timer- Count: 16

Alimer- Count: 27