【java设计模式】【行为模式Behavioral Pattern】模板方法模式Template Method Pattern

 1 package com.tn.pattern;
 2 
 3 public class Client {
 4     public static void main(String[] args) {
 5         AbstractClass c1=new ConcreteClass1();
 6         c1.templateMethod();
 7         
 8         AbstractClass c2=new ConcreteClass2();
 9         c2.templateMethod();
10     }
11 }
12 
13 abstract class AbstractClass{
14     abstract protected void primitiveMethod1();
15     abstract protected void primitiveMethod2();
16 
17     protected void templateMethod(){
18         System.out.println("templateMethod() start...");
19         primitiveMethod1();
20         primitiveMethod2();
21         System.out.println("templateMethod() end.");        
22     }
23 }
24 
25 class ConcreteClass1 extends AbstractClass{
26     @Override
27     public void primitiveMethod1() {
28         System.out.println("ConcreteClass1's primitiveMethod1()...");
29     }
30     @Override
31     public void primitiveMethod2() {
32         System.out.println("ConcreteClass1's primitiveMethod2()...");
33     }
34 }
35 
36 class ConcreteClass2 extends AbstractClass{
37     @Override
38     public void primitiveMethod1() {
39         System.out.println("ConcreteClass2's primitiveMethod1()...");
40     }
41     @Override
42     public void primitiveMethod2() {
43         System.out.println("ConcreteClass2's primitiveMethod2()...");
44     }
45 }