java监听窗口饮品,Java 饮品店的小例子 父类子类我都写了，下面的这个我不会写了，大神帮我看看...
雪舞蔷薇package com.glw.demointerface;public class Drink { private int id; private int zid; private int pid; private MainMaterial main; private MinorMaterial minor; public Drink() {...
