C# program to concatenate the given strings
Program.cs
string s1 ="Koding";
string s2 = "window";

Console.WriteLine(String.Concat(s1, s2));
Console.WriteLine(s1+s2);
Output
kodingwindow@kw:~/csharp$ dotnet run
kodigwindow
kodigwindow
kodingwindow@kw:~/csharp$ 
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