Write in C# programming language and will accept a number as input. The loops are used to build a dymond pattern of *.

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace diamond


{
  class Program

{
 
static void Main(string[] args)


{
  Console.WriteLine("Program for displaying pattern of *.");

Console.Write("Enter the maximum number of *: ");

int n = Convert.ToInt32(Console.ReadLine());

Console.WriteLine("\nHere is the Diamond of Stars\n");

for (int i = 1; i <= n; i++)



{
  for (int j = 0; j < (n - i); j++)

Console.Write(" ");

for (int j = 1; j <= i; j++)

Console.Write("*");

for (int k = 1; k < i; k++)

Console.Write("*");

Console.WriteLine();



}
  for (int i = n - 1; i >= 1; i--)


{
  for (int j = 0; j < (n - i); j++)

Console.Write(" ");

for (int j = 1; j <= i; j++)

Console.Write("*");

for (int k = 1; k < i; k++)

Console.Write("*");

Console.WriteLine();



}
  Console.WriteLine();

Console.ReadLine();



}

}

}  
output: