You use the builder design pattern when you need to separate the construction of complex objects from their representation, so you can use the same construction process to create a variety of objects.

在需要分离复杂对象的构建和表示时，就需要用到生成器设计模式，您可以使用相同的构造过程来创建多个对象。

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You use the builder design pattern when you need to separate the construction of complex objects from their representation, so you can use the same construction process to create a variety of objects.

在需要分离复杂对象的构建和表示时，就需要用到生成器设计模式，您可以使用相同的构造过程来创建多个对象。

youdao