第七章-复用类-代理

 1 package com.learnJava.test;
 2 
 3 /**
 4  * @Author zhuchangli
 5  * @Date 2019/9/15
 6  **/
 7 public class DetergentDelegation {
 8 
 9     private Cleanser cleanser = new Cleanser();
10     private String s = "Cleanser ";
11     public void scrub(){
12         cleanser.append(" Detergent.scrub()");
13         cleanser.scrub();
14     }
15 
16     public void append(String a){
17         cleanser.append(a);
18     }
19 
20     public void dilute(){
21         cleanser.dilute();
22     }
23 
24     public void apply(){
25         cleanser.applay();
26     }
27 
28     public void foam(){
29         append("foam()");
30     }
31 
32     public String toString(){
33         return cleanser.toString();
34     }
35 
36    public static void main(String [] args){
37         DetergentDelegation d = new DetergentDelegation();
38         d.dilute();
39         d.apply();
40         d.scrub();
41         d.foam();
42         System.out.println(d);
43         System.out.println("Testing base class");
44         Cleanser.main(args);
45 
46    }
47 }

 1 package com.learnJava.test;
 2 
 3 /**
 4  * @Author zhuchangli
 5  * @Date 2019/9/14
 6  **/
 7 class Cleanser{
 8     private String s = "Cleanser";
 9     public void append(String a) { s += a; }
10     public void dilute(){ append("dilute()"); }
11     public void applay(){append("applay()");}
12     public void scrub(){append("scrub()");}
13     public String toString(){return s;}
14 
15     public static void main(String [] args){
16         Cleanser x = new Cleanser();
17         x.dilute();
18         x.applay();
19         x.scrub();
20         System.out.println(x);
21     }
22 }
23 //洗涤剂
24 public class Detergent extends Cleanser{
25     public void scrub(){
26         append("Detergent.scrub()");
27         super.scrub();
28     }
29 
30     // foam 泡沫
31     public void foam(){ append("foam()");}
32 
33     public static void main(String [] args){
34         Detergent x = new Detergent();
35         x.dilute();
36         x.applay();
37         x.scrub();
38         x.foam();
39         System.out.println(x);
40         System.out.println("Testing base class");
41         Cleanser.main(args);
42     }
43 }

 1 package com.learnJava.test;
 2 
 3 /**
 4  * @Author zhuchangli
 5  * @Date 2019/9/15
 6  **/
 7 
 8 class Cleanser11{
 9     private String s = "Cleanser11";
10     public void append(String a) { s += a;}
11     public void dilute() {append(" dilute()");}
12     public void apply() {append(" apply()");}
13     public void scrub() {append(" scrub()");}
14     public String toString() {return s;}
15 
16     public static void main(String [] args){
17         Cleanser11 x = new Cleanser11();
18         x.dilute();
19         x.apply();
20         x.scrub();
21         System.out.println(x);
22     }
23 }
24 
25 public class DetergentDelegation11 {
26 
27     private String s = "DetergentDelegation11 ";
28     private Cleanser11 c11 = new Cleanser11();
29 
30     public void append(String a){
31         s += a;
32     }
33 
34     public void dilute(){
35         c11.dilute();
36     }
37 
38     public void apply() {c11.apply();}
39 
40     public void scrub() {
41         append("DetergentDelegation11");
42         c11.scrub();
43     }
44 
45     public void foam(){
46         append(" foam()");
47     }
48 
49     public String toString(){
50         return s + " " + c11;
51     }
52 
53     public static void main(String [] args){
54         DetergentDelegation11 d = new DetergentDelegation11();
55         d.dilute();
56         d.apply();
57         d.scrub();
58         d.foam();
59         System.out.println(d);
60         System.out.println("Testing base class");
61         Cleanser11.main(args);
62     }
63 
64 
65 }