1.简单工厂模式
简单工厂模式的一个简单就是,有几个子类负责工作,一个工厂类负责生成子类的对象。
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书上有一个例子,用于判断采用何种运种,是使用的"+","-"等符号来判断的,传进来运算符我觉得很奇怪,所以改成了enum,这样比原来好些吗还是不好?
不知道了,知道的说下。
简单工厂模式的一个简单就是,有几个子类负责工作,一个工厂类负责生成子类的对象。
书上有一个例子,用于判断采用何种运种,是使用的"+","-"等符号来判断的,传进来运算符我觉得很奇怪,所以改成了enum,这样比原来好些吗还是不好?
不知道了,知道的说下。