import javafx.application.Application;
import javafx.builders.StackPaneBuilder;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.stage.Stage;

/**
 *
 * @author Alexander Kouznetsov
 */
public class TableViewTest extends Application {

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

    @Override
    public void start(Stage stage) throws Exception {

        TableView tableView = new TableView();

        TableColumn tableColumn1 = new TableColumn("AAAAAAAAAAAAA");
        tableColumn1.setPrefWidth(5);
        TableColumn tableColumn2 = new TableColumn("BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB");
        tableColumn2.setPrefWidth(5);
        TableColumn tableColumn3 = new TableColumn("C");
        tableColumn3.setPrefWidth(5);

        tableView.getColumns().addAll(tableColumn1, tableColumn2, tableColumn3);

        Parent root = StackPaneBuilder.create()
                .children(tableView)
                .build();

        Scene scene = new Scene(root, 300, 300);

        stage.setScene(scene);
        stage.setVisible(true);
    }

}