菜单计价程序-3 1.菜品类 点击查看代码 class Dish { String name;//菜品名称 int unit_price; //单价 //int num; int getPrice(int portion) { int peic = 0; if (portion == 1) { peic = unit_price ; } else if (portion == 2) { peic = Math.round((float) (unit_price * 1.5))...