Source Code : extends Task

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extends Task

 

import javafx.application.Application;
import javafx.concurrent.Task;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.stage.Stage;

public class Main extends Application {

  @Override
  public void start(Stage stage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 150);
    stage.setScene(scene);
    stage.setTitle("Sample");

    final int totalIterations = 90;

    IteratingTask task = new IteratingTask(totalIterations);
 
    task.run();
    System.out.println(task.getMessage());

    stage.show();
  }

  public static void main(String[] args) {
    launch(args);
  }
}
class IteratingTask extends Task<Integer> {
  private final int totalIterations;

  public IteratingTask(int totalIterations) {
      this.totalIterations = totalIterations;
  }

  @Override protected Integer call() throws Exception {
      int iterations = 0;
      for (iterations = 0; iterations < totalIterations; iterations++) {
          if (isCancelled()) {
              updateMessage("Cancelled");
              break;
          }
          updateMessage("Iteration " + iterations);
          updateProgress(iterations, totalIterations);
      }
      return iterations;
  }
}

   
  

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