Indiquez à quelle image correspond le code ci-dessous.

Indice : public void add(Node child, int columnIndex, int rowIndex, int colspan, int rowspan)

GridPane root = new GridPane();
Scene scene = new Scene(root,200,200);
Button B1 = new Button("Bouton 1");
Button B2 = new Button("Bouton 2");
Button B3 = new Button("Bouton 3");
Button B4 = new Button("Bouton 4");
root.add(B1, 0, 0, 2, 1);
root.add(B2, 0, 1, 2, 1);
root.add(B3, 0, 2, 1, 1);
root.add(B4, 1, 2, 1, 1);
GridPane.setHalignment(B1, HPos.CENTER);	
GridPane.setHalignment(B2, HPos.CENTER);	
GridPane.setHalignment(B3, HPos.CENTER);	
GridPane.setHalignment(B4, HPos.CENTER);