C# first program console application

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConsoleApplication1

{

    class Program

    {

        static void Main(string[] args)

        {

            Console.WriteLine("Hello World!"); // relies on "using System;"

Console.Write("This is");

Console.Write("... my first program!\n");

System.Console.WriteLine("Good Bye World!"); // no "using" statement required

Console.ReadLine();

        }

    }

}

Output

Hello World!
This is... my first program!
Goodbye World!


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