Función Writerectangle - Ejercicio De Programacion C# Sharp

// Import the System namespace to use basic classes like Console
using System;

class Program
{
    // Function to display a filled rectangle
    public static void WriteRectangle(int width, int height)
    {
        // Loop through each row
        for (int i = 0; i < height; i++)
        {
            // Loop through each column and print an asterisk
            for (int j = 0; j < width; j++)
            {
                Console.Write("*");  // Print an asterisk
            }
            // Move to the next line after each row
            Console.WriteLine();
        }
    }

    // Function to display a hollow rectangle (border only)
    public static void WriteHollowRectangle(int width, int height)
    {
        // Loop through each row
        for (int i = 0; i < height; i++)
        {
            // Loop through each column in the row
            for (int j = 0; j < width; j++)
            {
                // Check if we are at the border of the rectangle (first/last row or column)
                if (i == 0 || i == height - 1 || j == 0 || j == width - 1)
                {
                    Console.Write("*");  // Print an asterisk at the border
                }
                else
                {
                    Console.Write(" ");  // Print a space for the hollow part
                }
            }
            // Move to the next line after each row
            Console.WriteLine();
        }
    }

    // Main function to test the WriteRectangle and WriteHollowRectangle functions
    public static void Main()
    {
        // Display a filled rectangle with width 4 and height 3
        Console.WriteLine("Filled Rectangle:");
        WriteRectangle(4, 3);
        
        // Add a line break for better readability
        Console.WriteLine();

        // Display a hollow rectangle with width 3 and height 4
        Console.WriteLine("Hollow Rectangle:");
        WriteHollowRectangle(3, 4);
    }
}

 Salida

Filled Rectangle:
****
****
****

Hollow Rectangle:
***
* *
* *
***