import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.TextBox;
import javafx.scene.layout.Pane;
import javafx.stage.Stage;

public class Main extends Application {        
    public static void main(String[] args) {        
        Application.launch(args);
    }
    
    @Override 
    public void start(Stage stage) {
      
        stage.setHeight(100.0);
        stage.setWidth(200.0);
        
        ScrollPane sp = new ScrollPane();
        Scene scene = new Scene(sp);
        
        Pane pain = new Pane();
        pain.setPrefHeight(1000);
        pain.setPrefWidth(200);        
        pain.getChildren().add(new TextBox());
        
        sp.setNode(pain);                   
        
        stage.setScene(scene);           
        stage.setVisible(true); 
    }      
}