C# Sharp Basic Algorithm Exercises: Create a new string with the last char added at the front and back of a given string of length 1 or more

C# Sharp Basic Algorithm: Exercise-9 with Solution

Write a C# Sharp program to create  a new string with the last char added at the front and back of a given string of length 1 or more.

Pictorial Presentation:

Sample Solution:

C# Sharp Code:

using System;

namespace exercises
{
  class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine(test("Red"));
            Console.WriteLine(test("Green"));
            Console.WriteLine(test("1"));
            Console.ReadLine();
        }

        public static string test(string str)
        {
            var s = str.Substring(str.Length-1);
            return s + str + s;
        }
    }
}

Sample Output:

dRedd
nGreenn
111

Flowchart:

C# Sharp Code Editor:

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