設計模式Builder之惑

ynzhangyao發表於2005-08-02
請問:
ConcteteBuilder是介面Builder的實現,在使用時,是
Builder builder = new ConcreteBuilder();
方式好呢還是
ConcreteBuilder builder = new ConcreteBuilder();
方式好?為什麼?



Director director = new Director( builder );
director.construct();
Product product = builder.getResult();

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