第 03 周作业

public class MainClient {
	public static void main(String[] args) {
		WinForm window = new WinForm("WINDOW窗口");
    BaseComponent p = new Picture("LOGO图片");
    BaseComponent b1 = new Button("登录");
    BaseComponent b2 = new Button("注册");
		window.addComponent(p);
		window.addComponent(b1);
		window.addComponent(b2);
		BaseComponent frame = new Frame("FRAME1");
		window.addComponent(frame);
		frame.addComponent(new Label("用户名"));
		frame.addComponent(new TextBox("文本框"));
		frame.addComponent(new Label("密码"));
		frame.addComponent(new PasswordBox("密码框"));
		frame.addComponent(new CheckBox("复选框"));
		frame.addComponent(new Label("记住用户名"));
		frame.addComponent(new LinkLabel("忘记密码"));
		
		window.print();//打印
	}
}
interface BaseComponent{
	
}
public class Components implements  BaseComponent{
    public String name;
    private List<BaseComponent> wList;
    Components(String name){
      this.name = name
      wList = new ArrayList<BaseComponent>();
    }
		addComponent(BaseComponent w){
    	print();
    }
  	print(){
       for (BaseComponent w : wList) {
           System.out.println("print " + w.getClass().getSimpleName() + "(" + name + ")");
         }
    	
    }
}
public class Widget implements  BaseComponent {
  public String name;
  Widget(String name){
  	this.name = name
  }
  
}
public class WinForm  extends Components{
		WinForm(String name){
      super(name)
    }
}
public class Frame  extends Components{
	  Frame(String name){
      super(name)
    }
}
public class Picture extends Widget{};
public class Button extends Widget{};
public class Label extends Widget{};
public class TextBox extends Widget{};