//工厂方法模式：现实例子
//CopyRight(C)CAnca Software Office. 2006
//Created by CAnca.

import java.util.*;

public class Real_World_Example{
 public static void main(String[] args){
  Product[] products = new Product[2];
  products[0] = new concreteProduct1();
  products[1] = new concreteProduct2();
  for(int i = 0 ; i < products.length ; i++){
   products[i].show();
  }
 }
}

abstract class Product{
 protected ArrayList al;
 public Product(){
  al = new ArrayList();
  setFood();  
 }
 abstract void setFood();
 public void show(){
  System.out.println("食物有:");
  for(int i = 0 ; i < al.size() ; i++){
   System.out.println((i+1) + "、" + al.get(i));
  }
  System.out.println();
 }
}

class concreteProduct1 extends Product{
 public void setFood(){
  this.al.add("Apple");
  this.al.add("Banana");
  this.al.add("Pear");
 }
}

class concreteProduct2 extends Product{
 public void setFood(){
  this.al.add("苹果");
  this.al.add("香蕉");
  this.al.add("莉子");
 }
}