簡言之，template method pattern就是將不同的member function用class包起來，由derived class去改寫。
Template methods use inheritance to vary part of an algorithm. strategy pattern use delegation to vary the entire algorithm.
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簡言之，template method pattern就是將不同的member function用class包起來，由derived class去改寫。
Template methods use inheritance to vary part of an algorithm. strategy pattern use delegation to vary the entire algorithm.