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一个疑问 #1

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whitewzb opened this issue May 28, 2019 · 1 comment

whitewzb commented May 28, 2019

为什么BaseService类定义为抽象类,因为我看此类的方法已经全部实现。还是说只是为了作为父类被继承么或者拓展一些实现？

Owner

caoxile commented Jan 3, 2020

编程的原则：面向抽象编程
不建议父类实例化。

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