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时间：2007-11-08
请教一个OOP设计的问题：
In a restaurant, customer makes order of meal(s), each meal has price, each order has sale tax, total. Customer could pay cash or credit card. Each order could be pick up, delivery or eat-inside. How to design this object and its relationship ? Thanks 声明：JavaEye文章版权属于作者，受法律保护。没有作者书面许可不得转载。
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时间：2007-11-09
这个软件要干嘛？
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