package application;
 
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.stage.Stage;
 
public class Main extends Application {
 
	@Override
	public void start(Stage primaryStage) throws Exception {
		
		//創(chuàng)建button類
		//注意：Group容器組會(huì)自適應(yīng)調(diào)節(jié)node節(jié)點(diǎn)的高、寬 以容納node節(jié)點(diǎn)的內(nèi)容 例如：如果下面Button的text內(nèi)容比較多 那么對(duì)應(yīng)的Button會(huì)相應(yīng)加長(zhǎng)
		Button b1 = new Button("Button1");
		b1.setLayoutX(10); //設(shè)置起始點(diǎn)的X軸坐標(biāo)
		b1.setLayoutY(10); //設(shè)置起始的Y軸坐標(biāo)		
		//設(shè)置button的寬度 高度
		b1.setPrefWidth(100);
		b1.setPrefHeight(100);
		
		Button b2 = new Button("Button2");
		b2.setLayoutX(100);
		b2.setLayoutY(10);
		
		Button b3 = new Button("Button3");
		b3.setLayoutX(200);
		b3.setLayoutY(10);
		
		//創(chuàng)建Group容器組
		Group group = new Group();
		group.getChildren().addAll(b1 , b2 , b3);
		
		//創(chuàng)建場(chǎng)景Scene
		Scene scene = new Scene(group);
		
		primaryStage.setScene(scene);
		//設(shè)置stage的寬度 高度
		primaryStage.setHeight(500);
		primaryStage.setWidth(500);		
		primaryStage.show();
		
		
	}
 
	public static void main(String[] args) {
		launch(args);
	}
}

//創(chuàng)建Group容器組
Group group = new Group();
group.getChildren().addAll(b1 , b2 , b3);

//創(chuàng)建Group容器組
Group group = new Group();
group.getChildren().addAll(b1 , b2 , b3);
 
//移除index為1的節(jié)點(diǎn) 也就是移除第二個(gè)node
group.getChildren().remove(1);