import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.layout.*;
import javafx.stage.Stage;

public class RT38448 extends Application {

    @Override public void start(Stage stage) throws Exception {
        TextArea textArea = new TextArea("Line 1\n" +
                "Line 2\n" +
                "Line 3");

        stage.setScene(new Scene(new StackPane(textArea), 200, 200));
        stage.show();
    }
}