架构师训练营第三周作业

/**
 * @Author huangxiong
 * @Date 2020/6/24
 * @Description 打印
 **/
public interface ButtonInterface {
   void printButton();
}


import java.util.ArrayList;
import java.util.List;

/**
 * @Author huangxiong
 * @Date 2020/6/24
 * @Description
 **/
public class ButtonNode implements ButtonInterface {
    private String buttonName;

    public List<ButtonInterface> getButtonNode() {
        return buttonNode;
    }

    public void setButtonNode(List<ButtonInterface> buttonNode) {
        this.buttonNode = buttonNode;
    }

    private List<ButtonInterface> buttonNode = new ArrayList<>();

    public ButtonNode(String buttonName) {
        this.buttonName = buttonName;
    }

    @Override
    public void printButton() {
        System.out.println(this.buttonName);
    }

    public static void main(String[] args) {
        ButtonNode root = new ButtonNode("顶层");
        root.getButtonNode().add(new ButtonNode("下一层1"));
        root.getButtonNode().add(new ButtonNode("下一层2"));
        root.getButtonNode().add(new ButtonNode("下一层3"));
    }
}