C#: Move the first two characters to the end of a given string of length at least two

Last update on June 27 2025 13:06:20 (UTC/GMT +8 hours)

Move First Two Characters to End

Write a C# Sharp program to move the first two characters to the end of a given string of length at least two.

Visual Presentation:

Sample Solution:-

C# Sharp Code:

using System; // Import the System namespace which contains fundamental types and base classes

namespace exercises // Define a namespace called 'exercises'
{
   class Program // Define a class named 'Program'
   {
      static void Main(string[] args) // The entry point of the program
      {
         // Output the result of the test function with different strings as arguments
         Console.WriteLine(test("Hello")); // Test with the string "Hello"
         Console.WriteLine(test("JS"));    // Test with the string "JS"
         Console.ReadLine(); // Wait for user input before closing the console window
      }

      // Function definition of test function that takes a string 's1' and returns a string
      public static string test(string s1)
      {
         // Remove the first 2 characters from 's1' using Remove(startIndex, count)
         // Then concatenate the removed characters at the end using Substring(startIndex, length)
         return s1.Remove(0, 2) + s1.Substring(0, 2);
      }
   }
}

Sample Output:

lloHe
JS

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