第三周作业

public interface Component {
	void draw();
}
public class Container implements Component {
  private List<Component> components;
  public Container() {
    components = new ArrayList<Component>();
  }
  public void add(Component comp){
    this.components.add(comp);
  }
  public void draw(){
    for(comp in components){
    	comp.draw(); 
    }
}
public class Picture implements Componenet {
  private String name;
  public Picture(String name){
    this.name = name;
  }
 	public void draw() {
    System.out.println("print Picture("+ this.name +")"); 
  }
}
public class Button implements Componenet {
  private String label;
  public Button(String label){
    this.label = label;
  }
  public void draw() {
    System.out.println("print Button(" + this.label + ")"); 
  }
}
public class Label implements Componenet {
  private String label;
  public Label(String label){
    this.label = label;
  }
  public void draw() {
    System.out.println("print Label(" + this.label + ")"); 
  }
}
public class CheckBox implements Component {
  private String label;
  public CheckBox(String label){
    this.label = label;
  }
  public void draw() {
    System.out.println("print CheckBox(" + this.label + ")"); 
  }
}
public class TextBox implements Component {
  private String label;
  public TextBox(String label){
    this.label = label;
  }
  public void draw() {
    System.out.println("print TextBox(" + this.label + ")"); 
  }
}
public class LinkLabel implements Component {
  private String label;
  public LinkLabel(String label){
    this.label = label;
  }
  public void draw() {
    System.out.println("print LinkLabel(" + this.label + ")"); 
  }
}
public class PasswordBox implements Component {
  private String label;
  public PasswordBox(String label){
    this.label = label;
  }
  public void draw() {
    System.out.println("print PasswordBox(" + this.label + ")"); 
  }
}
public class Frame extends Container {
  private String title;
  public Frame(String title){
    this.title = title;
  }
  public void draw(){
    System.out.println("print Frame(" + this.title + ")"); 
    super.draw();
  }
}
public class WinForm extends Component {
  private String title;
  public WinForm(String title){
    this.title = title;
  }
  public void draw(){
    System.out.println("print WinForm(" + this.title + ")"); 
    super.draw();
  }
}
public class Main {
	public static void main() {
   	WinForm w = new WinForm("WINDOW窗口");
    w.add(new Picture("LOGO图片"));
   	w.add(new Button("登录"));
    w.add(new Button("注册"));
    Frame frame = new Frame("FRAME1");
    frame.add(new Label("用户名"));
    frame.add(new TextBox("文本框"));
    frame.add(new Label("密码"));
    frame.add(new PasswordBox("密码框"));
    frame.add(new CheckBox("复选框"));
    frame.add(new TextBox("记住用户名"));
    frame.add(new LinkLabel("忘记密码"));
    w.add(frame);
    w.draw();
  }
}