Java-- 内部类

 1 package innerclasses;
 2 
 3 public class Parcel2 {
 4     class Contents{
 5         private int i = 11;
 6         public int value(){
 7             return i;
 8         }
 9     }
10     
11      class Destinations{
12         private String lable1;
13         Destinations(String whereTo){
14             lable1 = whereTo;
15         }
16         String reabLable1(){
17             return lable1;
18         }
19         
20     }
21      public Destinations to(String s){
22             return new Destinations(s);
23         }    
24      public Contents contents(){
25             return new Contents();
26         }
27      public void ship(String dest){
28             Contents c = new Contents();
29             Destinations d = new Destinations(dest);
30             System.out.println(d.reabLable1());
31         }
32      
33      public static void main(String[] args){
34             Parcel2 p = new Parcel2();
35             p.ship("Tasmania");
36             Parcel2 q =new Parcel2();
37             Parcel2.Contents c = q.contents(); 
38             Parcel2.Destinations d = q.to("Borneo");
39         }
40     
41 }