What is the difference between String.Empty and “” (empty string)?

Question

In .NET, what is the difference between String.Empty and \"\", and are they interchangable, or is there some underlying reference or Localization i

Answer 1

Since String.Empty is not a compile-time constant you cannot use it as a default value in function definition.

public void test(int i=0,string s="")
    {
      // Function Body
    }