- Builder
- 提供工厂方法,建造内部复合对象
-
public class Builder { private List<Sender> list = new ArrayList<Sender>(); public void produceMailSender() { list.add(new MailSender()) } }
public class Builder {
private List<Sender> list = new ArrayList<Sender>();
public void produceMailSender() {
list.add(new MailSender())
}
}