Suppose I have a class Store which is a super class of 3 classes ( Book , Clothes , Food) , Now I want to add 2 common methods (Description and Price) commonly in all of them and only want to add (calculate tax) method in Food class .... In Main class Suppose I have a class Store which is a super c
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如何在继承类/接口时避免常见的方法重复？
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