string Program using C# language

using System;

public class Program

  {

     public static void Main()

      {

         string to,fna,lna;



         fna="C# and .";

         lna="NET Framework";



         to = fna + lna;

         Console.WriteLine("\nFull Name: {0}",to);



         //by using string constructor

         char[] letters ={'H','e','l','l','o'};

         string greetings =new string(letters);



         Console.WriteLine("\nGreetings: {0}", greetings);



          //methods returning string

          string []sarray={"Hello","From","Senthil","Velan","Dharmapuri"};

          string message =String.Join(" ",sarray);

          Console.WriteLine("\nMessage: {0}", message);



          //formatting method to convert a value

          DateTime waiting =new DateTime(2018,4,20,14,37,1);

          string chat =String.Format("Message sent at {0:t} on {0:D}", waiting);

          Console.WriteLine("\nMessage: {0}", chat);

     }

}