happysale.java

JAVA编程

public class HappySale {
	public static void main(String args[])
	   {
	      ComputeTotalSales[] goods=new ComputeTotalSales[50];
	      for(int i=0;i<goods.length;i++)
	       {
	           if(i%3==0)
	             goods[i]=new Television();
	           else if(i%3==1)
	             goods[i]=new Computer();
	           else if(i%3==2)
	             goods[i]=new Mobile();
	       } 
	     Shop  shop=new Shop(goods);
	     System.out.println("商店年销售额:"+shop.giveTotalSales());
	   }

}