how to convert uppercase to lowercase and lowercase to uppercase of given string using c#

Here I am solving the problem using C# programming language


        

   static class Program
    {
        static void Main(string[] args)
        {
            CaseConvertion("Coder Juggernaut Blog");
        }

        public static void CaseConvertion(string input)
        {

            string newString = "";
            foreach (char item in input)
            {
                if (char.IsLower(item))
                {
                    string upper = item.ToString().ToUpper();
                    newString = newString + upper;

                }
                else if (char.IsUpper(item))
                {
                    string lower =  item.ToString().ToLower();
                    newString = newString + lower;
                }
                else
                {
                    newString = newString + " ";
                }
               
            }

            Console.WriteLine("Conerted  Name : {0} ", newString);
            Console.ReadLine();
        }
    }

/* androidsharp */

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