A Task Which Returns No Value : Task « JavaFX « Java






  1. Java
  2. JavaFX
  3. Task

A Task Which Returns No Value

 

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");

    Task<Void> task = new Task<Void>() {
        @Override protected Void call() throws Exception {
            return null;
        }
    };

 
    task.run();
    System.out.println(task.getMessage());

    stage.show();
  }

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








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