C#: Create a new string which is n copies of a given string

Last update on June 25 2025 13:03:05 (UTC/GMT +8 hours)

n Copies of String

Write a C# Sharp program to create a string which is n (non-negative integer) copies of a given string.

Visual Presentation:

C# Sharp: Basic Algorithm Exercises - Create a new string which is n (non-negative integer ) copies of a given string.

Sample Solution:-

C# Sharp Code:

using System;

// Namespace declaration
namespace exercises
{
    // Class declaration
    class Program
    {
        // Main method - entry point of the program
        static void Main(string[] args)
        {
            // Displaying the output of the 'test' method with different string inputs and integers
            Console.WriteLine(test("JS", 2));  // Output: JSJS
            Console.WriteLine(test("JS", 3));  // Output: JSJSJS
            Console.WriteLine(test("JS", 1));  // Output: JS
            Console.ReadLine();                // Keeping the console window open
        }

        // Method to concatenate a string 's' 'n' times
        public static string test(string s, int n)
        {
            string result = String.Empty;  // Initialize an empty string to store the result

            // Loop 'n' times to concatenate the input string 's'
            for (int i = 0; i < n; i++)
            {
                result += s;  // Concatenate the input string to the result string 'n' times
            }

            return result;  // Return the concatenated string
        }
    }
}

Sample Output:

JSJS
JSJSJS
JS

Flowchart:

For more Practice: Solve these Related Problems:

Write a C# program to create n copies of the first two characters of a given string. If the string is shorter than two characters, copy it entirely.
Write a C# program to create a string that alternates the original and its reverse for n times.
Write a C# program that repeats the string n times but inserts a hyphen between each copy.
Write a C# program that generates n copies of the original string but with alternating casing (upper, lower, upper...).

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