You have to go through and find all those controls that don’t work and import them; this is an acid test, but you can get by without the code folder.
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Slider;
import javafx.scene.control.Spinner;
import javafx.scene.control.ListView;
import javafx.scene.control.Tab;
import javafx.scene.control.TabPane;
import javafx.scene.control.TextField;
import javafx.scene.control.TextArea;
import javafx.scene.control.ColorPicker;
import javafx.scene.control.CheckBox;
import javafx.scene.control.RadioButton;
import javafx.scene.control.ToggleButton;
import javafx.scene.control.ToggleGroup;
import javafx.scene.control.TreeView;
import javafx.scene.control.TreeItem;
import javafx.scene.chart.NumberAxis;
import javafx.scene.chart.LineChart;
import javafx.scene.chart.XYChart;
import javafx.scene.control.ProgressBar;
import javafx.scene.control.ToolBar;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Tooltip;
import javafx.scene.control.DatePicker;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;
import javafx.scene.control.MenuItem;
import javafx.scene.control.Dialog;
import javafx.scene.control.ButtonBar.ButtonData;
import javafx.scene.control.ButtonType;
import javafx.scene.layout.Pane;
import javafx.scene.layout.TilePane;
import javafx.stage.Stage;
import javafx.scene.control.Label;
import javafx.scene.paint.Color;
import javafx.scene.text.Font;
import javafx.scene.text.FontPosture;
import javafx.scene.text.FontWeight;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.shape.Rectangle;
import javafx.scene.shape.Circle;
import java.time.LocalDate;
It may be possible to use something like javafx.scene.control.*; but I’ve always just added what I needed.
Output:
