"Double"和"Double"之间有有意义的区别吗?和“双"字样在.Net? [英] Is there a meaningful difference between "Double" and "double" in .Net?

问题描述

关于最佳做法，使用之间是否有有意义的区别

As regards best practices, is there a meaningful difference between using:

Double d;

和

double d;

我知道最佳做法充满矛盾，因此我知道答案可能会有所不同.我只想知道两者之间的实用差异.

I know best practices are fraught with contradictions, so I know the answers may vary here. I just want to know the pragmatic difference between the two.

推荐答案

没有区别. double只是C#中System.Double的别名.

There is no difference. double is just an alias for System.Double in C#.

请注意，VB.NET没有相同的别名(System.Int32为int，System.Double为double，等等)，因此别名仅适用于C#，而不是整个.NET.

Note that VB.NET doesn't have the same aliasing (int for System.Int32, double for System.Double, etc), so the aliasing is just applicable to C#, not .NET as a whole.

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