What's the difference between String and string?

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Hi MindStickians,

In C#, what is the difference between String and string? (note the case)

Example:

string s = "Hello, World";
String S = "Hello, World";

Also, what are the guidelines for the use of each?
Your help is a great appreciated. 
  1. Re: What's the difference between String and string?

    Hi Tanuj!


    string is an alias for System.String. So technically, there is no difference. It's like int vs. System.Int32.

    As far as guidelines, I think it's generally recommended to use string any time you're referring to an object. e.g.

    string place = "world";
    Likewise, I think it's generally recommended to use String if you need to refer specifically to the class. e.g.

    string greet = String.Format("Hello {0}!", place);

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