反射 是一种“程序即数据”范例，允许程序的一部分根据程序集、类型和成员动态查询和调用另一部分。 这对于后期绑定编程模型和工具非常有用。

Select the check box by Each individual sort of file. (Be certain there’s practically nothing significant as part of your Recycle Bin in advance of emptying it.)

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跨编程域 （云、客户端、游戏）的适应性通过常规用途编程模型的专用实现启用。

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作者简介：一个热爱编程、善于分享、喜欢学习、探索、尝试新事物和新技术的全栈软件工程师。

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注意这段代码创建了三个文件流：fin，表示明文形式的原始文件；fout，加密结果文件；crStream，加密流，用来把DES加密的结果转入输出文件fout。增加一个crStream流的好处是不必把结果保存到临时文件或缓冲区。

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You could electronic mail the internet site proprietor to allow them to know you ended up blocked. Make sure you include Everything you ended up executing when this website page came up as well as Cloudflare Ray ID located at The underside of this page.

而这种原始转换（由子类转换为父类）方向相同的可变性，被称为协变（covariant）；其反向操作则被称为逆变（contravariant）。当同样的情形应用于泛型时，例如：

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