原型模式 prototype

 1 package com.lovo.prototype.two;
 2 public class Player implements Cloneable {
 3 
 4     private int id;
 5     private String name;
 6     private String skill;
 7 
 8     public int getId() {
 9         return id;
10     }
11     public void setId(int id) {
12         this.id = id;
13     }
14     public String getName() {
15         return name;
16     }
17     public void setName(String name) {
18         this.name = name;
19     }
20     public String getSkill() {
21         return skill;
22     }
23     public void setSkill(String skill) {
24         this.skill = skill;
25     }
26     
27     
28 @Override
29     public String toString() {
30         return "Player [id=" + id + ", name=" + name + ", skill=" + skill + "]";
31     }
32     
33     /**
34      * 浅克隆
35      * @return
36      * @throws CloneNotSupportedException
37      */
38     public Player qianClone() throws CloneNotSupportedException{
39         return (Player) super.clone();
40     }
41     
42     
43     
44     
45 
46 }

 1 package com.lovo.prototype.two;
 2 
 3 public class Test {
 4 
 5     public static void main(String[] args) throws CloneNotSupportedException {
 6         Player p=new Player();
 7         p.setId(1);
 8         p.setName("小明");
 9         p.setSkill("灌篮");
10         
11         Player p2=p.qianClone();
12         
13         System.out.println(p);
14         System.out.println("=============");
15         System.out.println(p2);
16         System.out.println(p==p2);//fasle
17         
18     }
19 
20 }

 1 package com.lovo.prototype.two;
 2 
 3 import java.io.ByteArrayInputStream;
 4 import java.io.ByteArrayOutputStream;
 5 import java.io.IOException;
 6 import java.io.ObjectInputStream;
 7 import java.io.ObjectOutputStream;
 8 import java.io.Serializable;
 9 import java.util.List;
10 
11 
12 
13 public class Player implements Cloneable,Serializable {
14     private static final long serialVersionUID = 1L;
15     private int id;
16     private String name;
17     private String skill;
18     private List<String> list;
19     
20     public List<String> getList() {
21         return list;
22     }
23     public void setList(List<String> list) {
24         this.list = list;
25     }
26     public int getId() {
27         return id;
28     }
29     public void setId(int id) {
30         this.id = id;
31     }
32     public String getName() {
33         return name;
34     }
35     public void setName(String name) {
36         this.name = name;
37     }
38     public String getSkill() {
39         return skill;
40     }
41     public void setSkill(String skill) {
42         this.skill = skill;
43     }
44     
45     @Override
46     public String toString() {
47         return "Player [id=" + id + ", name=" + name + ", skill=" + skill
48                 + ", list=" + list + "]";
49     }
50     
51     
52     /**
53      * 深克隆
54      * @return
55      * @throws IOException
56      * @throws ClassNotFoundException
57      */
58     public Player deepClone() throws IOException, ClassNotFoundException{
59         ByteArrayOutputStream bos=new ByteArrayOutputStream();
60         ObjectOutputStream oos=new ObjectOutputStream(bos);
61         oos.writeObject(this);
62         
63         ByteArrayInputStream bis=new ByteArrayInputStream(bos.toByteArray());
64         ObjectInputStream ois=new ObjectInputStream(bis);
65         Player p=(Player) ois.readObject();
66         
67         
68         
69         
70         return p;
71         
72     }
73     
74 
75 }

 1 package com.lovo.prototype.two;
 2 
 3 import java.io.IOException;
 4 import java.util.ArrayList;
 5 import java.util.List;
 6 
 7 public class Test {
 8 
 9     public static void main(String[] args) throws CloneNotSupportedException, ClassNotFoundException, IOException  {
10         Player p=new Player();
11         p.setId(1);
12         p.setName("小明明");
13         p.setSkill("灌篮");
14         
15         Player p2=p.deepClone();
16         List<String> list=new ArrayList<>();
17         list.add("跑步");
18         list.add("射击");
19         p2.setList(list);
20           
21         
22         System.out.println(p);
23         System.out.println("=============");
24         System.out.println(p2);
25         
26     }
27 
28 }