You know that Set has a copy constructor.

您知道Set有一个拷贝构造函数。

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Each class should have an appropriate constructor, data members to set and read methods.

每个类都应有合适的构造方法、数据成员的设置和读取方法。

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This property is set in the constructor.

这个属性在建构函式中设定。

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This property is set in the constructor.

这个属性在建构函式中设定。

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