public interface Component {
    void print();
}

public class Window implements Component{
    private List<Component> subComponents = new ArrayList<>();
    @Override
    public void print() {
        System.out.println("print WinForm(WINDOW窗口)");
        for (Component subComponent : subComponents) {
            subComponent.print();
        }
    }
    public void addNode(Component component){
        subComponents.add(component);
    }
}

public class Picture implements Component{
    @Override
    public void print() {
        System.out.println("print Picture(LOGO图片)");
    }
}

public class Button implements Component {
    private String text;
    public Button(String text) {
        this.text = text;
    }
    @Override
    public void print() {
        System.out.println("print Button(" + text + ")");
    }
}

public class Frame implements Component{
    private List<Component> subComponents = new ArrayList<>();
    @Override
    public void print() {
        System.out.println("print Frame(FRAME1)");
        for (Component subComponent : subComponents) {
            subComponent.print();
        }
    }
    public void addNode(Component component){
        subComponents.add(component);
    }
}

public class Label implements Component {
    private String text;
    public Label(String text) {
        this.text = text;
    }
    @Override
    public void print() {
        System.out.println("print Label(" + text + ")");
    }
}

public class TextBox implements Component{
    @Override
    public void print() {
        System.out.println("print TextBox(文本框)");
    }
}

public class PasswordBox implements Component{
    @Override
    public void print() {
        System.out.println("print PasswordBox(密码框)");
    }
}

public class CheckBox implements Component{
    @Override
    public void print() {
        System.out.println("print CheckBox(复选框)");
    }
}

public class LinkLable implements Component {
    private String text;
    public LinkLable(String text) {
        this.text = text;
    }
    @Override
    public void print() {
        System.out.println("print LinkLable(" + text + ")");
    }
}

public class Main {
    public static void main(String[] args) {
        Window window = new Window();
        window.addNode(new Picture());
        window.addNode(new Button("登录"));
        window.addNode(new Button("注册"));
        Frame frame = new Frame();
        frame.addNode(new Label("用户名"));
        frame.addNode(new TextBox());
        frame.addNode(new Label("密码"));
        frame.addNode(new PasswordBox());
        frame.addNode(new CheckBox());
        frame.addNode(new Label("记住用户名"));
        frame.addNode(new LinkLable("忘记密码"));
        window.addNode(frame);
        window.print();
    }
}