设计模式作业

public interface IComponent {
    public void print();
}
public interface IContainer extends IComponent {
    public void addComponent(IComponent component);
}
public class Component implements IComponent{
    protected String name;
    public Component(String name){
        this.name = name;
    }
    public void print() {
        System.out.println(this.name);
    }
}
import java.util.ArrayList;
public class Container extends Component implements IContainer {
    private ArrayList<IComponent> components = new ArrayList<IComponent>();
    public Container(String name) {
        super(name);
    }
    public void addComponent(IComponent component) {
        components.add(component);
    }
    @Override
    public void print() {
        super.print();
        for (IComponent component : components) {
            component.print();
        }
    }
}
public class PasswordBox extends Component {
    public PasswordBox(String name) {
        super(name);
    }
}
public class Picture extends Component {
    public Picture(String name) {
        super(name);
    }
}
public class TextBox extends Component {
    public TextBox(String name) {
        super(name);
    }
}
public class WinForm extends Container {
    public WinForm(String name) {
        super(name);
    }
}
public class Button extends Component {
    public Button(String name) {
        super(name);
    }
}
public class CheckBox extends Component {
    public CheckBox(String name) {
        super(name);
    }
}
public class Frame extends Container {
    public Frame(String name) {
        super(name);
    }
}
public class Lable extends Component {
    public Lable(String name) {
        super(name);
    }
}
public class LinkLable extends Component {
    public LinkLable(String name) {
        super(name);
    }
}
public class Login {
    public static void main(String[] args) {
        WinForm winForm = new WinForm("Window窗口");
        winForm.addComponent(new Picture("LOGO图片"));
        Frame frame = new Frame("FRAME1");
        frame.addComponent(new Lable("用户名"));
        frame.addComponent(new TextBox("文本框"));
        frame.addComponent(new Lable("密码"));
        frame.addComponent(new PasswordBox("密码框"));
        frame.addComponent(new CheckBox("复选框"));
        frame.addComponent(new TextBox("记住用户名"));
        frame.addComponent(new LinkLable("忘记密码"));
        winForm.addComponent(frame);
        winForm.addComponent(new Button("登录"));
        winForm.addComponent(new Button("注册"));
        winForm.print();
    }
}