previous | start | next .... [Slide 15] ....

---

Multiplicities

1 : 1 or 1 : 0...1 relationship:

 
public class Mailbox
 { ...   
   private Greeting myGreeting;
 }

1 : n relationship:

public class MessageQueue 
  { ...   
    private ArrayList elements;
  }

---

previous | start | next .... [Slide 15] ....