StackPane_FlowPane1

Code :
package javafxtemplate2;

import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.geometry.Orientation;
import javafx.geometry.Pos;
import javafx.scene.*;
import javafx.scene.control.Label;
import javafx.scene.layout.FlowPane;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.Pane;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.TilePane;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Line;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;

/**
*
* @author Manas9
*/
public class JavaFXTemplate2 extends Application {
     @Override
    public void start(Stage primaryStage) {
     Rectangle rect = new Rectangle(25, 25, 50, 50);
     rect.setFill(Color.CADETBLUE);
     Label caption = new Label("Label1");
     caption.setTranslateX(5);caption.setTranslateY(20);
     Line line = new Line(90, 40, 230, 50);
     line.setStroke(Color.BLACK);
     //circle x,y , radius
     Circle circle = new Circle(130, 130, 20);
     circle.setFill(Color.CHOCOLATE);
     //Pane proot = new Pane();

//FlowPane proot = new FlowkPane(Orientation.VERTICAL, 5, 5);
   StackPane proot = new StackPane();
   proot.getChildren().addAll(caption,rect,circle,line);
   Scene scene = new Scene(proot, 250, 220, Color.WHITESMOKE);
    //primaryStage.setTitle("Absolute layout");
   primaryStage.setTitle("Stack Pane::VBox ");
     primaryStage.setScene(scene);
      primaryStage.show();
}
     public static void main(String[] args) {
        launch(args);
    }

}

Runtime: As StackPane:

FlowPane:: Orientation Horizontal

FlowPane:Vertical