1    package bookExamples.ch25Delegation; 
2     
3    /** 
4     * DocJava, Inc. 
5     * http://www.docjava.com 
6     * Programmer: dlyon 
7     * Date: Oct 13, 2004 
8     * Time: 8:39:07 PM 
9     */ 
10   // This is what example output might look like, 
11   // with out the Hw4Example class.... 
12   public class Hw4Example { 
13       public class WaterPollution implements WaterPollutionStub { 
14           // I added the fields by hand 
15           // and I added the implements by hand. 
16           // but you will do this automatically. 
17           Water water; 
18           Pollution pollution; 
19   // constructor: 
20           public WaterPollution(bookExamples.ch25Delegation.Water _water, 
21                                 bookExamples.ch25Delegation.Pollution _pollution) { 
22               water = _water; 
23               pollution = _pollution; 
24           } 
25           // I added the methods for method forwarding 
26           // by hand, but you will do this automatically in your 
27           // output. 
28           public boolean isDirty() { 
29               return water.isDirty(); 
30           } 
31           public boolean isWet() { 
32               return water.isWet(); 
33           } 
34       } 
35    
36       interface WaterPollutionStub extends 
37               WaterStub, PollutionStub { 
38       } 
39    
40       interface WaterStub { 
41           public boolean isDirty(); 
42    
43           public boolean isWet(); 
44       } 
45    
46       interface PollutionStub { 
47           public boolean isDirty(); 
48    
49           public boolean isWet(); 
50       } 
51   } 
52