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

 package com.tn.pattern;

 public class Client {
     public static void main(String[] args) {
         AbstractClass c1=new ConcreteClass1();
         c1.templateMethod();

         AbstractClass c2=new ConcreteClass2();
         c2.templateMethod();
     }
 }

 abstract class AbstractClass{
     abstract protected void primitiveMethod1();
     abstract protected void primitiveMethod2();

     protected void templateMethod(){
         System.out.println("templateMethod() start...");
         primitiveMethod1();
         primitiveMethod2();
         System.out.println("templateMethod() end.");
     }
 }

 class ConcreteClass1 extends AbstractClass{
     @Override
     public void primitiveMethod1() {
         System.out.println("ConcreteClass1's primitiveMethod1()...");
     }
     @Override
     public void primitiveMethod2() {
         System.out.println("ConcreteClass1's primitiveMethod2()...");
     }
 }

 class ConcreteClass2 extends AbstractClass{
     @Override
     public void primitiveMethod1() {
         System.out.println("ConcreteClass2's primitiveMethod1()...");
     }
     @Override
     public void primitiveMethod2() {
         System.out.println("ConcreteClass2's primitiveMethod2()...");
     }
 }