Hello friends,
I am recently start learning C# language. In one book I have seen one line of code which states -
I don't understand above line code. I don't understand exact meaning of (strs ?? string.Empty) this line. Can anyone tell me What is the meaning of "??" symbol in C#.NET?Code:return (strs ?? string.Empty).Replace(txtFinds.Text, txtReplaces.Text);
Thank you.
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