public class Labels {

    private GridPane gridPane = new GridPane();

    public GridPane getGridPane() {
        return gridPane;
    }

    public void addLabel(String labelname, int columnIndex, int rowIndex) {
        Label label = new Label();
        GridPane.setColumnIndex(label, columnIndex);
        GridPane.setRowIndex(label, rowIndex);
        label.setId(labelname+columnIndex);
        label.setText("test");

        gridPane.getChildren().add(label);
    }

}