PROG4_Wk4b

Main.java

package PROG4_WK4b;

import javafx.application.Application;
import javafx.concurrent.Task;
import javafx.scene.Scene;
import javafx.scene.control.ProgressBar;
import javafx.scene.layout.BorderPane;
import javafx.stage.Stage;

public class Main extends Application {
	@Override
	public void start(Stage primaryStage) {
		try {
			Task<Void> task = new Task<Void>() {
			    @Override public Void call() throws InterruptedException {
			        for (int i=0; i<=100; i+=10) {
			            updateProgress(i, 100);
			            Thread.sleep(1000);
			        }
			        return null;
			    }
			};
			
			
			ProgressBar bar = new ProgressBar();
			bar.progressProperty().bind(task.progressProperty());
			bar.setMinWidth(800);
			bar.setMinHeight(200);
			new Thread(task).start();
			
			BorderPane pane = new BorderPane();
			pane.setMinWidth(400);
			pane.setMinHeight(300);
			pane.setCenter(bar);
			
			Scene scene = new Scene(pane);
			
			primaryStage.setScene(scene);
		
			primaryStage.show();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public static void main(String[] args) {
		launch(args);
	}
}

Background information: https://www.developer.com/java/data/multithreading-in-javafx.html

https://stackoverflow.com/questions/18880455/task-vs-service-for-database-operations