using System;
public class clsJoin
{
 
    public void Main()
    {
 
 
        //****************************************************************************************
        // Example #1: 	Join(SourceArray(), Delimiter)
        // Returns a string created by joining a number of substrings contained in an array.
        // SourceArray - One-dimensional array containing substrings to be joined.
        // Delimiter - Optional. Any string, used to separate the substrings in the returned string.
        // If omitted, the space character (" ") is used. 
        // If Delimiter is a zero-length string ("") or Nothing, all items in the list are concatenated 
        // with no delimiters.
        // Return Value - Returns a string created by joining a number of substrings contained in an array.
        //****************************************************************************************
 
        Console.WriteLine("Example #1: 	Join(String(), String) ");
 
        string[] arrayJoinExample = { "Apples", "Oranges", "Strawberries" };
 
        // Return Uppercase
        Console.WriteLine(string.Join("!", arrayJoinExample)); //Returns Apples!Oranges!Strawberries
 
        //write blank line to make output easier to read
        Console.WriteLine();
 
 
 
        //Prevent console from closing before you press enter
        Console.ReadLine();
 
    }
 
 
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
 
namespace CSharp_Syntax
{
    class Program
    {
        static void Main(string[] args)
        {
 
 
            clsJoin myJoin = new clsJoin();
            myJoin.Main();
 
        }
    }
}