Display

 ObservableList<ArrayList<Double> > dataObs;
        dataObs = FXCollections.observableArrayList();
        // lenPet, lenSet... are TableColumn and tableDataset is the TableView
        lenPet.setCellValueFactory(param -> new ReadOnlyObjectWrapper<Double>(param.getValue().get(0)));          lenSet.setCellValueFactory(param -> new ReadOnlyObjectWrapper<Double>(param.getValue().get(1)));
        larPet.setCellValueFactory(param -> new ReadOnlyObjectWrapper<Double>(param.getValue().get(2)));
        larSet.setCellValueFactory(param -> new ReadOnlyObjectWrapper<Double>(param.getValue().get(3)));

        for (int i=0;i<dataset.getnRecord(); i++)
        {
            dataObs.add(dataset.getRecord(i));
        }
        tableDataset.setItems(dataObs);