工厂方法设计模式

 1 public class TestFactoryMethod
 2 {
 3    public static void main(String[] args)
 4 {
 5     IWorkFactory i=new StudentWorkFacctory();
 6     i.getWork().doWork();
 7     
 8     IWorkFactory i1=new TeacherWorkFactory();
 9     i1.getWork().doWork();
10 }
11 }
12 
13 interface Work{
14     void doWork();
15 }
16 
17 interface IWorkFactory{
18     Work getWork();
19 }
20 class StudentWorkFacctory implements IWorkFactory
21 {
22 
23     @Override
24     public Work getWork()
25     {
26         return new StudentWork();
27     }
28     
29 }
30 class TeacherWorkFactory implements IWorkFactory
31 {
32 
33     @Override
34     public Work getWork()
35     {
36         return new TeacherWork();
37     }
38     
39 }
40 
41 class StudentWork implements Work
42 {
43 
44     @Override
45     public void doWork()
46     {
47         System.out.println("学生写作业");
48     }
49     
50 }
51 
52 class TeacherWork implements Work{
53 
54     @Override
55     public void doWork()
56     {
57       System.out.println("老师改作业");
58         
59     }
60     
61 }