import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.CheckBox;
import javafx.scene.control.Tooltip;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
 
 
public class TooltipTest extends Application {
 
    public static void main(String[] args) { launch(args); }
 
    @Override
    public void start(Stage stage) {
        
        String[] data = new String[]{"11111", "22222", "33333"};
        CheckBox[] cbs = new CheckBox[data.length];
        
        Scene scene = new Scene(new Group());
        stage.setWidth(300);
        stage.setHeight(150);
 
        for (int i = 0; i < data.length; i++) {

            final CheckBox cb = cbs[i] = new CheckBox(data[i]);
            final Tooltip tooltip = new Tooltip(data[i]);
            cb.setTooltip(tooltip);
        }
 
        VBox vbox = new VBox();
        vbox.getChildren().addAll(cbs);
        vbox.setSpacing(5);
        HBox root = new HBox();
        root.getChildren().add(vbox);
        root.setSpacing(40);
        root.setPadding(new Insets(20, 10, 10, 20));
 
        ((Group) scene.getRoot()).getChildren().add(root);
 
        stage.setScene(scene);
        stage.show();
    }
}