Question

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String vs string in C#

What is the difference Between String and string or Double and double?

if i use :

double s1; or

if i use Double s1;

can you give pros and cons?

Answer 1

string is an alias for System.String. It doesn’t matter whether you use String or string. It’s in the end translated into System.String anyway.

It’s the same case as with System.Int32 and int etc.

Here is the list of all aliases.