第三周作业二

public class Element {
  String name;

  public Element(String name) {    this.name = name;  }
  public String getName() {    return name;  }
  public void setName(String name) {    this.name = name;  }
  public void print() {    System.out.println(name);  }}

public class Container extends Element {
  private List<Element> elementList = new ArrayList<>();
  public Container(String name) {    super(name);  }
  public void add(Element element) {    this.elementList.add(element);  }
  @Override  public void print() {    System.out.println(name);    for (Element e : elementList) {      e.print();    }  }}

public class Client {
  public static void main(String[] args) {    Container winForm = new Container("==WINDOW窗口");    Element picture = new Element("===Logo图片");    Element buttonLogin = new Element("===登录");    Element buttonReg = new Element("===注册");    winForm.add(picture);    winForm.add(buttonLogin);    winForm.add(buttonReg);
    Container farme = new Container("===Farme1");    Element lableName = new Element("====用户名");    Element textBox = new Element("====文本框");    Element lablePwd = new Element("====密码");    Element passWordBox = new Element("====密码框");    Element checkBox = new Element("====复选框");    Element textBoxName = new Element("====记住用户名");    Element linklable = new Element("====忘记密码");    farme.add(lableName);    farme.add(textBox);    farme.add(lablePwd);    farme.add(passWordBox);    farme.add(checkBox);    farme.add(textBoxName);    farme.add(linklable);    winForm.add(farme);    winForm.print();  }}