Main.java

import javafx.application.Application;
import javafx.application.Platform;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.stage.Stage;

public class SomeTestClass extends Application {
    private static int counter = 0;
    @Override
    public void start(Stage primaryStage) throws Exception {
        ObservableList<String> data = FXCollections.observableArrayList();
        ListView<String> list = new ListView<>(data);
        new Thread(() -> {

            while (true){
                try {
                    Thread.sleep(100);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                String newVal = "Some text " + String.valueOf(counter++);
                Platform.runLater(() -> data.add(0,newVal));
            }
        }).start();
        Scene scene = new Scene(list);

        primaryStage.setScene(scene);
        primaryStage.sizeToScene();

        primaryStage.show();
    }

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


}