C# STRING BUILDER PROGRAM------|||||||

CODE:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace stringbuilder
{
    class Program
    {
        static void Main(string[] args)
        {
            StringBuilder s=new StringBuilder("Object ");
            Console.WriteLine("Original string:"+s);
            Console.WriteLine("Length:" + s.Length);
            //Appending a string
            s.Append("language ");
            Console.WriteLine("String now:" + s);
            //inserting a string
            s.Insert(7, "Oriented ");
            Console.WriteLine("Modified string:" + s);
            //setting a character
            int n = s.Length;
            s[n - 1] = '!';
            Console.WriteLine("Final string:" + s);
            Console.ReadKey();

        }
    }
}

OUTPUT: