
请运用观察者模式,以Java语言构建并开发气象站程序。
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请依据观察者模式,利用Java语言构建并开发一个气象站程序。现有部分代码已完成,包含以下关键组件:• 观察者接口定义• 主题接口规范• 显示板接口设计• 以及一个用于测试的程序框架。请在上述框架下,进一步完善CurrentConditionsDisplay、ForecastDisplay、StatisticsDisplay等显示板类,同时完成气象数据类(WeatherData)的设计,最终确保程序能够产生如图所示的结果(XXXX代表本人学号):Currents conditions:80.0F degress and 65.0% humidity (by 1508060330)Avg/Max/Min:temperature = 80.0/80.0/80.0/ (by 1508060330)Forecast (by 1508060330):improving weather on the wayCurrents conditions:82.0F degress and 70.0% humidity (by 1508060330)Avg/Max/Min:temperature = 81.0/82.0/80.0/ (by 1508060330)Forecast (by 1508060330):watch out for cooler,rainy weatherCurrents conditions:78.0F degress and 90.0% humidity (by 1508060330)Avg/Max/Min:temperature = 82.4/79.4/79.4/ (by 1524492974)Forecast (by 1524492974):expecting sunny skies
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