Write a C# Sharp program to concatenate the array values of strings

using System;
public class Example37
{
    public static void Main()
    {
        // Make an array of strings. Note that we have included spaces.
        string [] str = { "hello ", "welcome ", "to ", "C# Sharp ",
                        "create ", "Windows ", "client ", "applications "};
        // Put all the strings together.
        Console.WriteLine(string.Concat(str));
        // Sort the strings, and put them together.
        Array.Sort(str);
        Console.WriteLine(string.Concat(str));
    }
}