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    June 24

    Builder

    适用问题：多个简单的产品构件一个复杂的产品。

    适用的情形：

    1.当创建复杂对象的算法独立于该对象的组成部分以及他们的装配方式。

    2.当构造过程允许被构造的对象有不同表示。

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    看了几个例子没怎么看懂，等找到好的例子了再放上来。

     

    6:45 PM | Blog it | Design pattern

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