架构师训练营 - 第三周 - 作业

1. 请在草稿纸上手写一个单例模式的实现代码，拍照提交作业。

2. 请用组合设计模式编写程序

public class ComponentApplication {

    public static void main(String[] args) {

        // write your code here

        ContainerComponent windowComp=new ContainerComponent("print winform(window 窗口)");

        windowComp.addSubComponent(new SimpleComponent("print picture(logo)"));

        windowComp.addSubComponent(new SimpleComponent("print button(登陆)"));

        windowComp.addSubComponent(new SimpleComponent("print button(注册)"));

        ContainerComponent frameComp=new ContainerComponent("print frame");

        frameComp.addSubComponent(new SimpleComponent("print label(用户名)"));

        frameComp.addSubComponent(new SimpleComponent("print textbox(文本框)"));

        frameComp.addSubComponent(new SimpleComponent("print label(密码)"));

        frameComp.addSubComponent(new SimpleComponent("print passwordbox(密码框)"));

        frameComp.addSubComponent(new SimpleComponent("print checkbox(复选框)"));

        frameComp.addSubComponent(new SimpleComponent("print textbox(记住用户名)"));

        frameComp.addSubComponent(new SimpleComponent("print linklabel(忘记密码)"));

        windowComp.addSubComponent(frameComp);

        windowComp.render();

    }

}

public interface Component {

    void render();

}

public class ContainerComponent implements Component {

    private List<Component> childs = new LinkedList<>();

    private String text = "";

    ContainerComponent(String text) {

        this.text = text;

    }

    public void addSubComponent(Component component) {

        this.childs.add(component);

    }

    @Override

    public void render() {

        System.out.println(this.text);

        childs.forEach(p->p.render());

    }

}

public class SimpleComponent implements Component {

    private String text = "";

    SimpleComponent(String text) {

        this.text = text;

    }

    @Override

    public void render() {

        System.out.println(this.text);

    }

}