goods.initGoodsList();
public void initGoodsList() {
Goods goods1=new Goods(1,"冰淇淋奶茶",new BigDecimal("11"),100);
Goods goods2=new Goods(2,"四季奶青",new BigDecimal("12"),100);
Goods goods3=new Goods(3,"黑糖宝藏茶",new BigDecimal("20"),100);
Shop.goodsList.add(goods1);//商品加入集合
Shop.goodsList.add(goods2);
Shop.goodsList.add(goods3);
for(Goods goods:Shop.goodsList) {
System.out.println(goods);
}