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Java设计题

今天碰到一道Java面试题:
计时收费类设计;
1.按时收费是 10元/小时 0-24点
2.夜间收费是 50元 18:00-23:59:59点
3.全天收费 120元 8:00 - 隔天7:59:59点

计算: 从11月2号早上6:00 到11月5号晚上20点30分,如何设计一个类来计算最优的方案!


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